18716040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{1061}}^1$

素因数の和:1092

約数の個数: 144

約数和(自身を含む): 70824780

約数和(自身を除く): 52108740

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, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1061, 1176, 1260, 1470, 1764, 1960, 2122, 2205, 2520, 2940, 3183, 3528, 4244, 4410, 5305, 5880, 6366, 7427, 8488, 8820, 9549, 10610, 12732, 14854, 15915, 17640, 19098, 21220, 22281, 25464, 29708, 31830, 37135, 38196, 42440, 44562, 47745, 51989, 59416, 63660, 66843, 74270, 76392, 89124, 95490, 103978, 111405, 127320, 133686, 148540, 155967, 178248, 190980, 207956, 222810, 259945, 267372, 297080, 311934, 334215, 381960, 415912, 445620, 467901, 519890, 534744, 623868, 668430, 779835, 891240, 935802, 1039780, 1247736, 1336860, 1559670, 1871604, 2079560, 2339505, 2673720, 3119340, 3743208, 4679010, 6238680, 9358020, 18716040]

約数ペア:

[(1, 18716040), (2, 9358020), (3, 6238680), (4, 4679010), (5, 3743208), (6, 3119340), (7, 2673720), (8, 2339505), (9, 2079560), (10, 1871604), (12, 1559670), (14, 1336860), (15, 1247736), (18, 1039780), (20, 935802), (21, 891240), (24, 779835), (28, 668430), (30, 623868), (35, 534744), (36, 519890), (40, 467901), (42, 445620), (45, 415912), (49, 381960), (56, 334215), (60, 311934), (63, 297080), (70, 267372), (72, 259945), (84, 222810), (90, 207956), (98, 190980), (105, 178248), (120, 155967), (126, 148540), (140, 133686), (147, 127320), (168, 111405), (180, 103978), (196, 95490), (210, 89124), (245, 76392), (252, 74270), (280, 66843), (294, 63660), (315, 59416), (360, 51989), (392, 47745), (420, 44562), (441, 42440), (490, 38196), (504, 37135), (588, 31830), (630, 29708), (735, 25464), (840, 22281), (882, 21220), (980, 19098), (1061, 17640), (1176, 15915), (1260, 14854), (1470, 12732), (1764, 10610), (1960, 9549), (2122, 8820), (2205, 8488), (2520, 7427), (2940, 6366), (3183, 5880), (3528, 5305), (4244, 4410)]