18531366

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 44875776

約数和(自身を除く): 26344410

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 43, 62, 86, 93, 129, 186, 217, 258, 301, 331, 434, 602, 651, 662, 903, 993, 1302, 1333, 1806, 1986, 2317, 2666, 3999, 4634, 6951, 7998, 9331, 10261, 13902, 14233, 18662, 20522, 27993, 28466, 30783, 42699, 55986, 61566, 71827, 85398, 99631, 143654, 199262, 215481, 298893, 430962, 441223, 597786, 882446, 1323669, 2647338, 3088561, 6177122, 9265683, 18531366]

約数ペア:

[(1, 18531366), (2, 9265683), (3, 6177122), (6, 3088561), (7, 2647338), (14, 1323669), (21, 882446), (31, 597786), (42, 441223), (43, 430962), (62, 298893), (86, 215481), (93, 199262), (129, 143654), (186, 99631), (217, 85398), (258, 71827), (301, 61566), (331, 55986), (434, 42699), (602, 30783), (651, 28466), (662, 27993), (903, 20522), (993, 18662), (1302, 14233), (1333, 13902), (1806, 10261), (1986, 9331), (2317, 7998), (2666, 6951), (3999, 4634)]