19311390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 60821280

約数和(自身を除く): 41509890

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 49, 58, 63, 70, 87, 90, 98, 105, 126, 145, 147, 151, 174, 203, 210, 245, 261, 290, 294, 302, 315, 406, 435, 441, 453, 490, 522, 609, 630, 735, 755, 870, 882, 906, 1015, 1057, 1218, 1305, 1359, 1421, 1470, 1510, 1827, 2030, 2114, 2205, 2265, 2610, 2718, 2842, 3045, 3171, 3654, 4263, 4379, 4410, 4530, 5285, 6090, 6342, 6795, 7105, 7399, 8526, 8758, 9135, 9513, 10570, 12789, 13137, 13590, 14210, 14798, 15855, 18270, 19026, 21315, 21895, 22197, 25578, 26274, 30653, 31710, 36995, 39411, 42630, 43790, 44394, 47565, 61306, 63945, 65685, 66591, 73990, 78822, 91959, 95130, 110985, 127890, 131370, 133182, 153265, 183918, 197055, 214571, 221970, 275877, 306530, 332955, 394110, 429142, 459795, 551754, 643713, 665910, 919590, 1072855, 1287426, 1379385, 1931139, 2145710, 2758770, 3218565, 3862278, 6437130, 9655695, 19311390]

約数ペア:

[(1, 19311390), (2, 9655695), (3, 6437130), (5, 3862278), (6, 3218565), (7, 2758770), (9, 2145710), (10, 1931139), (14, 1379385), (15, 1287426), (18, 1072855), (21, 919590), (29, 665910), (30, 643713), (35, 551754), (42, 459795), (45, 429142), (49, 394110), (58, 332955), (63, 306530), (70, 275877), (87, 221970), (90, 214571), (98, 197055), (105, 183918), (126, 153265), (145, 133182), (147, 131370), (151, 127890), (174, 110985), (203, 95130), (210, 91959), (245, 78822), (261, 73990), (290, 66591), (294, 65685), (302, 63945), (315, 61306), (406, 47565), (435, 44394), (441, 43790), (453, 42630), (490, 39411), (522, 36995), (609, 31710), (630, 30653), (735, 26274), (755, 25578), (870, 22197), (882, 21895), (906, 21315), (1015, 19026), (1057, 18270), (1218, 15855), (1305, 14798), (1359, 14210), (1421, 13590), (1470, 13137), (1510, 12789), (1827, 10570), (2030, 9513), (2114, 9135), (2205, 8758), (2265, 8526), (2610, 7399), (2718, 7105), (2842, 6795), (3045, 6342), (3171, 6090), (3654, 5285), (4263, 4530), (4379, 4410)]