19305720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 73681920

約数和(自身を除く): 54376200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 56, 60, 63, 70, 72, 84, 90, 94, 105, 120, 126, 140, 141, 163, 168, 180, 188, 210, 235, 252, 280, 282, 315, 326, 329, 360, 376, 420, 423, 470, 489, 504, 564, 630, 652, 658, 705, 815, 840, 846, 940, 978, 987, 1128, 1141, 1260, 1304, 1316, 1410, 1467, 1630, 1645, 1692, 1880, 1956, 1974, 2115, 2282, 2445, 2520, 2632, 2820, 2934, 2961, 3260, 3290, 3384, 3423, 3912, 3948, 4230, 4564, 4890, 4935, 5640, 5705, 5868, 5922, 6520, 6580, 6846, 7335, 7661, 7896, 8460, 9128, 9780, 9870, 10269, 11410, 11736, 11844, 13160, 13692, 14670, 14805, 15322, 16920, 17115, 19560, 19740, 20538, 22820, 22983, 23688, 27384, 29340, 29610, 30644, 34230, 38305, 39480, 41076, 45640, 45966, 51345, 53627, 58680, 59220, 61288, 68460, 68949, 76610, 82152, 91932, 102690, 107254, 114915, 118440, 136920, 137898, 153220, 160881, 183864, 205380, 214508, 229830, 268135, 275796, 306440, 321762, 344745, 410760, 429016, 459660, 482643, 536270, 551592, 643524, 689490, 804405, 919320, 965286, 1072540, 1287048, 1378980, 1608810, 1930572, 2145080, 2413215, 2757960, 3217620, 3861144, 4826430, 6435240, 9652860, 19305720]

約数ペア:

[(1, 19305720), (2, 9652860), (3, 6435240), (4, 4826430), (5, 3861144), (6, 3217620), (7, 2757960), (8, 2413215), (9, 2145080), (10, 1930572), (12, 1608810), (14, 1378980), (15, 1287048), (18, 1072540), (20, 965286), (21, 919320), (24, 804405), (28, 689490), (30, 643524), (35, 551592), (36, 536270), (40, 482643), (42, 459660), (45, 429016), (47, 410760), (56, 344745), (60, 321762), (63, 306440), (70, 275796), (72, 268135), (84, 229830), (90, 214508), (94, 205380), (105, 183864), (120, 160881), (126, 153220), (140, 137898), (141, 136920), (163, 118440), (168, 114915), (180, 107254), (188, 102690), (210, 91932), (235, 82152), (252, 76610), (280, 68949), (282, 68460), (315, 61288), (326, 59220), (329, 58680), (360, 53627), (376, 51345), (420, 45966), (423, 45640), (470, 41076), (489, 39480), (504, 38305), (564, 34230), (630, 30644), (652, 29610), (658, 29340), (705, 27384), (815, 23688), (840, 22983), (846, 22820), (940, 20538), (978, 19740), (987, 19560), (1128, 17115), (1141, 16920), (1260, 15322), (1304, 14805), (1316, 14670), (1410, 13692), (1467, 13160), (1630, 11844), (1645, 11736), (1692, 11410), (1880, 10269), (1956, 9870), (1974, 9780), (2115, 9128), (2282, 8460), (2445, 7896), (2520, 7661), (2632, 7335), (2820, 6846), (2934, 6580), (2961, 6520), (3260, 5922), (3290, 5868), (3384, 5705), (3423, 5640), (3912, 4935), (3948, 4890), (4230, 4564)]