18774932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 37340352

約数和(自身を除く): 18565420

約数列:

[1, 2, 4, 11, 22, 44, 53, 83, 97, 106, 166, 194, 212, 332, 388, 583, 913, 1067, 1166, 1826, 2134, 2332, 3652, 4268, 4399, 5141, 8051, 8798, 10282, 16102, 17596, 20564, 32204, 48389, 56551, 88561, 96778, 113102, 177122, 193556, 226204, 354244, 426703, 853406, 1706812, 4693733, 9387466, 18774932]

約数ペア:

[(1, 18774932), (2, 9387466), (4, 4693733), (11, 1706812), (22, 853406), (44, 426703), (53, 354244), (83, 226204), (97, 193556), (106, 177122), (166, 113102), (194, 96778), (212, 88561), (332, 56551), (388, 48389), (583, 32204), (913, 20564), (1067, 17596), (1166, 16102), (1826, 10282), (2134, 8798), (2332, 8051), (3652, 5141), (4268, 4399)]