18979506

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11587}}^1$

素因数の和:11615

約数の個数: 48

約数和(自身を含む): 50616384

約数和(自身を除く): 31636878

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 11587, 23174, 34761, 69522, 81109, 104283, 150631, 162218, 208566, 243327, 301262, 451893, 486654, 729981, 903786, 1054417, 1355679, 1459962, 2108834, 2711358, 3163251, 6326502, 9489753, 18979506]

約数ペア:

[(1, 18979506), (2, 9489753), (3, 6326502), (6, 3163251), (7, 2711358), (9, 2108834), (13, 1459962), (14, 1355679), (18, 1054417), (21, 903786), (26, 729981), (39, 486654), (42, 451893), (63, 301262), (78, 243327), (91, 208566), (117, 162218), (126, 150631), (182, 104283), (234, 81109), (273, 69522), (546, 34761), (819, 23174), (1638, 11587)]