18307564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 19190036

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 61, 76, 122, 209, 244, 359, 418, 671, 718, 836, 1159, 1342, 1436, 2318, 2684, 3949, 4636, 6821, 7898, 12749, 13642, 15796, 21899, 25498, 27284, 43798, 50996, 75031, 87596, 150062, 240889, 300124, 416081, 481778, 832162, 963556, 1664324, 4576891, 9153782, 18307564]

約数ペア:

[(1, 18307564), (2, 9153782), (4, 4576891), (11, 1664324), (19, 963556), (22, 832162), (38, 481778), (44, 416081), (61, 300124), (76, 240889), (122, 150062), (209, 87596), (244, 75031), (359, 50996), (418, 43798), (671, 27284), (718, 25498), (836, 21899), (1159, 15796), (1342, 13642), (1436, 12749), (2318, 7898), (2684, 6821), (3949, 4636)]