19019260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 45931536

約数和(自身を除く): 26912276

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 331, 338, 340, 442, 662, 676, 845, 884, 1105, 1324, 1655, 1690, 2210, 2873, 3310, 3380, 4303, 4420, 5627, 5746, 6620, 8606, 11254, 11492, 14365, 17212, 21515, 22508, 28135, 28730, 43030, 55939, 56270, 57460, 73151, 86060, 111878, 112540, 146302, 223756, 279695, 292604, 365755, 559390, 731510, 950963, 1118780, 1463020, 1901926, 3803852, 4754815, 9509630, 19019260]

約数ペア:

[(1, 19019260), (2, 9509630), (4, 4754815), (5, 3803852), (10, 1901926), (13, 1463020), (17, 1118780), (20, 950963), (26, 731510), (34, 559390), (52, 365755), (65, 292604), (68, 279695), (85, 223756), (130, 146302), (169, 112540), (170, 111878), (221, 86060), (260, 73151), (331, 57460), (338, 56270), (340, 55939), (442, 43030), (662, 28730), (676, 28135), (845, 22508), (884, 21515), (1105, 17212), (1324, 14365), (1655, 11492), (1690, 11254), (2210, 8606), (2873, 6620), (3310, 5746), (3380, 5627), (4303, 4420)]