19899612

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 54163200

約数和(自身を除く): 34263588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 47, 57, 76, 94, 114, 141, 171, 188, 228, 282, 342, 423, 564, 619, 684, 846, 893, 1238, 1692, 1786, 1857, 2476, 2679, 3572, 3714, 5358, 5571, 7428, 8037, 10716, 11142, 11761, 16074, 22284, 23522, 29093, 32148, 35283, 47044, 58186, 70566, 87279, 105849, 116372, 141132, 174558, 211698, 261837, 349116, 423396, 523674, 552767, 1047348, 1105534, 1658301, 2211068, 3316602, 4974903, 6633204, 9949806, 19899612]

約数ペア:

[(1, 19899612), (2, 9949806), (3, 6633204), (4, 4974903), (6, 3316602), (9, 2211068), (12, 1658301), (18, 1105534), (19, 1047348), (36, 552767), (38, 523674), (47, 423396), (57, 349116), (76, 261837), (94, 211698), (114, 174558), (141, 141132), (171, 116372), (188, 105849), (228, 87279), (282, 70566), (342, 58186), (423, 47044), (564, 35283), (619, 32148), (684, 29093), (846, 23522), (893, 22284), (1238, 16074), (1692, 11761), (1786, 11142), (1857, 10716), (2476, 8037), (2679, 7428), (3572, 5571), (3714, 5358)]