18502582720

素因数分解:

$2^6\times 5^1\times {\mathrm{389}}^1\times {\mathrm{148639}}^1$

素因数の和:149045

約数の個数: 56

約数和(自身を含む): 44172835200

約数和(自身を除く): 25670252480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 12448, 15560, 24896, 31120, 62240, 124480, 148639, 297278, 594556, 743195, 1189112, 1486390, 2378224, 2972780, 4756448, 5945560, 9512896, 11891120, 23782240, 47564480, 57820571, 115641142, 231282284, 289102855, 462564568, 578205710, 925129136, 1156411420, 1850258272, 2312822840, 3700516544, 4625645680, 9251291360, 18502582720]

約数ペア:

[(1, 18502582720), (2, 9251291360), (4, 4625645680), (5, 3700516544), (8, 2312822840), (10, 1850258272), (16, 1156411420), (20, 925129136), (32, 578205710), (40, 462564568), (64, 289102855), (80, 231282284), (160, 115641142), (320, 57820571), (389, 47564480), (778, 23782240), (1556, 11891120), (1945, 9512896), (3112, 5945560), (3890, 4756448), (6224, 2972780), (7780, 2378224), (12448, 1486390), (15560, 1189112), (24896, 743195), (31120, 594556), (62240, 297278), (124480, 148639)]