19776420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:762

約数の個数: 96

約数和(自身を含む): 62778240

約数和(自身を除く): 43001820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 90, 106, 108, 135, 159, 180, 212, 265, 270, 318, 477, 530, 540, 636, 691, 795, 954, 1060, 1382, 1431, 1590, 1908, 2073, 2385, 2764, 2862, 3180, 3455, 4146, 4770, 5724, 6219, 6910, 7155, 8292, 9540, 10365, 12438, 13820, 14310, 18657, 20730, 24876, 28620, 31095, 36623, 37314, 41460, 62190, 73246, 74628, 93285, 109869, 124380, 146492, 183115, 186570, 219738, 329607, 366230, 373140, 439476, 549345, 659214, 732460, 988821, 1098690, 1318428, 1648035, 1977642, 2197380, 3296070, 3955284, 4944105, 6592140, 9888210, 19776420]

約数ペア:

[(1, 19776420), (2, 9888210), (3, 6592140), (4, 4944105), (5, 3955284), (6, 3296070), (9, 2197380), (10, 1977642), (12, 1648035), (15, 1318428), (18, 1098690), (20, 988821), (27, 732460), (30, 659214), (36, 549345), (45, 439476), (53, 373140), (54, 366230), (60, 329607), (90, 219738), (106, 186570), (108, 183115), (135, 146492), (159, 124380), (180, 109869), (212, 93285), (265, 74628), (270, 73246), (318, 62190), (477, 41460), (530, 37314), (540, 36623), (636, 31095), (691, 28620), (795, 24876), (954, 20730), (1060, 18657), (1382, 14310), (1431, 13820), (1590, 12438), (1908, 10365), (2073, 9540), (2385, 8292), (2764, 7155), (2862, 6910), (3180, 6219), (3455, 5724), (4146, 4770)]