18897528

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1637}}^1$

素因数の和:1696

約数の個数: 64

約数和(自身を含む): 52284960

約数和(自身を除く): 33387432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1637, 1924, 2886, 3274, 3848, 4911, 5772, 6548, 9822, 11544, 13096, 19644, 21281, 39288, 42562, 60569, 63843, 85124, 121138, 127686, 170248, 181707, 242276, 255372, 363414, 484552, 510744, 726828, 787397, 1453656, 1574794, 2362191, 3149588, 4724382, 6299176, 9448764, 18897528]

約数ペア:

[(1, 18897528), (2, 9448764), (3, 6299176), (4, 4724382), (6, 3149588), (8, 2362191), (12, 1574794), (13, 1453656), (24, 787397), (26, 726828), (37, 510744), (39, 484552), (52, 363414), (74, 255372), (78, 242276), (104, 181707), (111, 170248), (148, 127686), (156, 121138), (222, 85124), (296, 63843), (312, 60569), (444, 42562), (481, 39288), (888, 21281), (962, 19644), (1443, 13096), (1637, 11544), (1924, 9822), (2886, 6548), (3274, 5772), (3848, 4911)]