19788930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 59574528

約数和(自身を除く): 39785598

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 101, 105, 126, 202, 210, 303, 311, 315, 505, 606, 622, 630, 707, 909, 933, 1010, 1414, 1515, 1555, 1818, 1866, 2121, 2177, 2799, 3030, 3110, 3535, 4242, 4354, 4545, 4665, 5598, 6363, 6531, 7070, 9090, 9330, 10605, 10885, 12726, 13062, 13995, 19593, 21210, 21770, 27990, 31411, 31815, 32655, 39186, 62822, 63630, 65310, 94233, 97965, 157055, 188466, 195930, 219877, 282699, 314110, 439754, 471165, 565398, 659631, 942330, 1099385, 1319262, 1413495, 1978893, 2198770, 2826990, 3298155, 3957786, 6596310, 9894465, 19788930]

約数ペア:

[(1, 19788930), (2, 9894465), (3, 6596310), (5, 3957786), (6, 3298155), (7, 2826990), (9, 2198770), (10, 1978893), (14, 1413495), (15, 1319262), (18, 1099385), (21, 942330), (30, 659631), (35, 565398), (42, 471165), (45, 439754), (63, 314110), (70, 282699), (90, 219877), (101, 195930), (105, 188466), (126, 157055), (202, 97965), (210, 94233), (303, 65310), (311, 63630), (315, 62822), (505, 39186), (606, 32655), (622, 31815), (630, 31411), (707, 27990), (909, 21770), (933, 21210), (1010, 19593), (1414, 13995), (1515, 13062), (1555, 12726), (1818, 10885), (1866, 10605), (2121, 9330), (2177, 9090), (2799, 7070), (3030, 6531), (3110, 6363), (3535, 5598), (4242, 4665), (4354, 4545)]