18360460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2543}}^1$

素因数の和:2590

約数の個数: 36

約数和(自身を含む): 40709088

約数和(自身を除く): 22348628

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2543, 3610, 5086, 7220, 10172, 12715, 25430, 48317, 50860, 96634, 193268, 241585, 483170, 918023, 966340, 1836046, 3672092, 4590115, 9180230, 18360460]

約数ペア:

[(1, 18360460), (2, 9180230), (4, 4590115), (5, 3672092), (10, 1836046), (19, 966340), (20, 918023), (38, 483170), (76, 241585), (95, 193268), (190, 96634), (361, 50860), (380, 48317), (722, 25430), (1444, 12715), (1805, 10172), (2543, 7220), (3610, 5086)]