1854406460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{2543}}^1$

素因数の和:2691

約数の個数: 72

約数和(自身を含む): 4152326976

約数和(自身を除く): 2297920516

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 361, 380, 404, 505, 722, 1010, 1444, 1805, 1919, 2020, 2543, 3610, 3838, 5086, 7220, 7676, 9595, 10172, 12715, 19190, 25430, 36461, 38380, 48317, 50860, 72922, 96634, 145844, 182305, 193268, 241585, 256843, 364610, 483170, 513686, 729220, 918023, 966340, 1027372, 1284215, 1836046, 2568430, 3672092, 4590115, 4880017, 5136860, 9180230, 9760034, 18360460, 19520068, 24400085, 48800170, 92720323, 97600340, 185440646, 370881292, 463601615, 927203230, 1854406460]

約数ペア:

[(1, 1854406460), (2, 927203230), (4, 463601615), (5, 370881292), (10, 185440646), (19, 97600340), (20, 92720323), (38, 48800170), (76, 24400085), (95, 19520068), (101, 18360460), (190, 9760034), (202, 9180230), (361, 5136860), (380, 4880017), (404, 4590115), (505, 3672092), (722, 2568430), (1010, 1836046), (1444, 1284215), (1805, 1027372), (1919, 966340), (2020, 918023), (2543, 729220), (3610, 513686), (3838, 483170), (5086, 364610), (7220, 256843), (7676, 241585), (9595, 193268), (10172, 182305), (12715, 145844), (19190, 96634), (25430, 72922), (36461, 50860), (38380, 48317)]