18394160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7417}}^1$

素因数の和:7461

約数の個数: 40

約数和(自身を含む): 44151936

約数和(自身を除く): 25757776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7417, 14834, 29668, 37085, 59336, 74170, 118672, 148340, 229927, 296680, 459854, 593360, 919708, 1149635, 1839416, 2299270, 3678832, 4598540, 9197080, 18394160]

約数ペア:

[(1, 18394160), (2, 9197080), (4, 4598540), (5, 3678832), (8, 2299270), (10, 1839416), (16, 1149635), (20, 919708), (31, 593360), (40, 459854), (62, 296680), (80, 229927), (124, 148340), (155, 118672), (248, 74170), (310, 59336), (496, 37085), (620, 29668), (1240, 14834), (2480, 7417)]