1812485620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{39419}}^1$

素因数の和:39469

約数の個数: 72

約数和(自身を含む): 4404002400

約数和(自身を除く): 2591516780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 2090, 2299, 2420, 4180, 4598, 9196, 11495, 22990, 39419, 45980, 78838, 157676, 197095, 394190, 433609, 748961, 788380, 867218, 1497922, 1734436, 2168045, 2995844, 3744805, 4336090, 4769699, 7489610, 8238571, 8672180, 9539398, 14979220, 16477142, 19078796, 23848495, 32954284, 41192855, 47696990, 82385710, 90624281, 95393980, 164771420, 181248562, 362497124, 453121405, 906242810, 1812485620]

約数ペア:

[(1, 1812485620), (2, 906242810), (4, 453121405), (5, 362497124), (10, 181248562), (11, 164771420), (19, 95393980), (20, 90624281), (22, 82385710), (38, 47696990), (44, 41192855), (55, 32954284), (76, 23848495), (95, 19078796), (110, 16477142), (121, 14979220), (190, 9539398), (209, 8672180), (220, 8238571), (242, 7489610), (380, 4769699), (418, 4336090), (484, 3744805), (605, 2995844), (836, 2168045), (1045, 1734436), (1210, 1497922), (2090, 867218), (2299, 788380), (2420, 748961), (4180, 433609), (4598, 394190), (9196, 197095), (11495, 157676), (22990, 78838), (39419, 45980)]