19251140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 43881264

約数和(自身を除く): 24630124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1381, 1394, 2762, 2788, 3485, 5524, 6905, 6970, 13810, 13940, 23477, 27620, 46954, 56621, 93908, 113242, 117385, 226484, 234770, 283105, 469540, 566210, 962557, 1132420, 1925114, 3850228, 4812785, 9625570, 19251140]

約数ペア:

[(1, 19251140), (2, 9625570), (4, 4812785), (5, 3850228), (10, 1925114), (17, 1132420), (20, 962557), (34, 566210), (41, 469540), (68, 283105), (82, 234770), (85, 226484), (164, 117385), (170, 113242), (205, 93908), (340, 56621), (410, 46954), (697, 27620), (820, 23477), (1381, 13940), (1394, 13810), (2762, 6970), (2788, 6905), (3485, 5524)]