19012640

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{359}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 45178560

約数和(自身を除く): 26165920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 359, 662, 718, 1324, 1436, 1655, 1795, 2648, 2872, 3310, 3590, 5296, 5744, 6620, 7180, 10592, 11488, 13240, 14360, 26480, 28720, 52960, 57440, 118829, 237658, 475316, 594145, 950632, 1188290, 1901264, 2376580, 3802528, 4753160, 9506320, 19012640]

約数ペア:

[(1, 19012640), (2, 9506320), (4, 4753160), (5, 3802528), (8, 2376580), (10, 1901264), (16, 1188290), (20, 950632), (32, 594145), (40, 475316), (80, 237658), (160, 118829), (331, 57440), (359, 52960), (662, 28720), (718, 26480), (1324, 14360), (1436, 13240), (1655, 11488), (1795, 10592), (2648, 7180), (2872, 6620), (3310, 5744), (3590, 5296)]