12189990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 30481920

約数和(自身を除く): 18291930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 59, 71, 97, 118, 142, 177, 194, 213, 291, 295, 354, 355, 426, 485, 582, 590, 710, 885, 970, 1065, 1455, 1770, 2130, 2910, 4189, 5723, 6887, 8378, 11446, 12567, 13774, 17169, 20661, 20945, 25134, 28615, 34338, 34435, 41322, 41890, 57230, 62835, 68870, 85845, 103305, 125670, 171690, 206610, 406333, 812666, 1218999, 2031665, 2437998, 4063330, 6094995, 12189990]

約数ペア:

[(1, 12189990), (2, 6094995), (3, 4063330), (5, 2437998), (6, 2031665), (10, 1218999), (15, 812666), (30, 406333), (59, 206610), (71, 171690), (97, 125670), (118, 103305), (142, 85845), (177, 68870), (194, 62835), (213, 57230), (291, 41890), (295, 41322), (354, 34435), (355, 34338), (426, 28615), (485, 25134), (582, 20945), (590, 20661), (710, 17169), (885, 13774), (970, 12567), (1065, 11446), (1455, 8378), (1770, 6887), (2130, 5723), (2910, 4189)]