19723620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 63737856

約数和(自身を除く): 44014236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 151, 210, 302, 311, 420, 453, 604, 622, 755, 906, 933, 1057, 1244, 1510, 1555, 1812, 1866, 2114, 2177, 2265, 3020, 3110, 3171, 3732, 4228, 4354, 4530, 4665, 5285, 6220, 6342, 6531, 8708, 9060, 9330, 10570, 10885, 12684, 13062, 15855, 18660, 21140, 21770, 26124, 31710, 32655, 43540, 46961, 63420, 65310, 93922, 130620, 140883, 187844, 234805, 281766, 328727, 469610, 563532, 657454, 704415, 939220, 986181, 1314908, 1408830, 1643635, 1972362, 2817660, 3287270, 3944724, 4930905, 6574540, 9861810, 19723620]

約数ペア:

[(1, 19723620), (2, 9861810), (3, 6574540), (4, 4930905), (5, 3944724), (6, 3287270), (7, 2817660), (10, 1972362), (12, 1643635), (14, 1408830), (15, 1314908), (20, 986181), (21, 939220), (28, 704415), (30, 657454), (35, 563532), (42, 469610), (60, 328727), (70, 281766), (84, 234805), (105, 187844), (140, 140883), (151, 130620), (210, 93922), (302, 65310), (311, 63420), (420, 46961), (453, 43540), (604, 32655), (622, 31710), (755, 26124), (906, 21770), (933, 21140), (1057, 18660), (1244, 15855), (1510, 13062), (1555, 12684), (1812, 10885), (1866, 10570), (2114, 9330), (2177, 9060), (2265, 8708), (3020, 6531), (3110, 6342), (3171, 6220), (3732, 5285), (4228, 4665), (4354, 4530)]