18958704

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{5563}}^1$

素因数の和:5645

約数の個数: 40

約数和(自身を含む): 49675392

約数和(自身を除く): 30716688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 5563, 11126, 16689, 22252, 33378, 44504, 66756, 89008, 133512, 267024, 394973, 789946, 1184919, 1579892, 2369838, 3159784, 4739676, 6319568, 9479352, 18958704]

約数ペア:

[(1, 18958704), (2, 9479352), (3, 6319568), (4, 4739676), (6, 3159784), (8, 2369838), (12, 1579892), (16, 1184919), (24, 789946), (48, 394973), (71, 267024), (142, 133512), (213, 89008), (284, 66756), (426, 44504), (568, 33378), (852, 22252), (1136, 16689), (1704, 11126), (3408, 5563)]