18646914

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 44448768

約数和(自身を除く): 25801854

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 103, 143, 206, 211, 286, 309, 422, 429, 618, 633, 858, 1133, 1266, 1339, 2266, 2321, 2678, 2743, 3399, 4017, 4642, 5486, 6798, 6963, 8034, 8229, 13926, 14729, 16458, 21733, 29458, 30173, 43466, 44187, 60346, 65199, 88374, 90519, 130398, 181038, 239063, 282529, 478126, 565058, 717189, 847587, 1434378, 1695174, 3107819, 6215638, 9323457, 18646914]

約数ペア:

[(1, 18646914), (2, 9323457), (3, 6215638), (6, 3107819), (11, 1695174), (13, 1434378), (22, 847587), (26, 717189), (33, 565058), (39, 478126), (66, 282529), (78, 239063), (103, 181038), (143, 130398), (206, 90519), (211, 88374), (286, 65199), (309, 60346), (422, 44187), (429, 43466), (618, 30173), (633, 29458), (858, 21733), (1133, 16458), (1266, 14729), (1339, 13926), (2266, 8229), (2321, 8034), (2678, 6963), (2743, 6798), (3399, 5486), (4017, 4642)]