18733840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6329}}^1$

素因数の和:6379

約数の個数: 40

約数和(自身を含む): 44740440

約数和(自身を除く): 26006600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6329, 12658, 25316, 31645, 50632, 63290, 101264, 126580, 234173, 253160, 468346, 506320, 936692, 1170865, 1873384, 2341730, 3746768, 4683460, 9366920, 18733840]

約数ペア:

[(1, 18733840), (2, 9366920), (4, 4683460), (5, 3746768), (8, 2341730), (10, 1873384), (16, 1170865), (20, 936692), (37, 506320), (40, 468346), (74, 253160), (80, 234173), (148, 126580), (185, 101264), (296, 63290), (370, 50632), (592, 31645), (740, 25316), (1480, 12658), (2960, 6329)]