19265620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 46922400

約数和(自身を除く): 27656780

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, 419, 484, 605, 836, 838, 1045, 1210, 1676, 2090, 2095, 2299, 2420, 4180, 4190, 4598, 4609, 7961, 8380, 9196, 9218, 11495, 15922, 18436, 22990, 23045, 31844, 39805, 45980, 46090, 50699, 79610, 87571, 92180, 101398, 159220, 175142, 202796, 253495, 350284, 437855, 506990, 875710, 963281, 1013980, 1751420, 1926562, 3853124, 4816405, 9632810, 19265620]

約数ペア:

[(1, 19265620), (2, 9632810), (4, 4816405), (5, 3853124), (10, 1926562), (11, 1751420), (19, 1013980), (20, 963281), (22, 875710), (38, 506990), (44, 437855), (55, 350284), (76, 253495), (95, 202796), (110, 175142), (121, 159220), (190, 101398), (209, 92180), (220, 87571), (242, 79610), (380, 50699), (418, 46090), (419, 45980), (484, 39805), (605, 31844), (836, 23045), (838, 22990), (1045, 18436), (1210, 15922), (1676, 11495), (2090, 9218), (2095, 9196), (2299, 8380), (2420, 7961), (4180, 4609), (4190, 4598)]