18974488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4931}}^1$

素因数の和:4987

約数の個数: 32

約数和(自身を含む): 39357360

約数和(自身を除く): 20382872

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 4931, 9862, 19724, 39448, 64103, 128206, 182447, 256412, 364894, 512824, 729788, 1459576, 2371811, 4743622, 9487244, 18974488]

約数ペア:

[(1, 18974488), (2, 9487244), (4, 4743622), (8, 2371811), (13, 1459576), (26, 729788), (37, 512824), (52, 364894), (74, 256412), (104, 182447), (148, 128206), (296, 64103), (481, 39448), (962, 19724), (1924, 9862), (3848, 4931)]