18683680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6869}}^1$

素因数の和:6901

約数の個数: 48

約数和(自身を含む): 46743480

約数和(自身を除く): 28059800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 6869, 13738, 27476, 34345, 54952, 68690, 109904, 116773, 137380, 219808, 233546, 274760, 467092, 549520, 583865, 934184, 1099040, 1167730, 1868368, 2335460, 3736736, 4670920, 9341840, 18683680]

約数ペア:

[(1, 18683680), (2, 9341840), (4, 4670920), (5, 3736736), (8, 2335460), (10, 1868368), (16, 1167730), (17, 1099040), (20, 934184), (32, 583865), (34, 549520), (40, 467092), (68, 274760), (80, 233546), (85, 219808), (136, 137380), (160, 116773), (170, 109904), (272, 68690), (340, 54952), (544, 34345), (680, 27476), (1360, 13738), (2720, 6869)]