19268470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 40824000

約数和(自身を除く): 21555530

約数列:

[1, 2, 5, 10, 13, 19, 26, 29, 38, 58, 65, 95, 130, 145, 190, 247, 269, 290, 377, 494, 538, 551, 754, 1102, 1235, 1345, 1885, 2470, 2690, 2755, 3497, 3770, 5111, 5510, 6994, 7163, 7801, 10222, 14326, 15602, 17485, 25555, 34970, 35815, 39005, 51110, 66443, 71630, 78010, 101413, 132886, 148219, 202826, 296438, 332215, 507065, 664430, 741095, 1014130, 1482190, 1926847, 3853694, 9634235, 19268470]

約数ペア:

[(1, 19268470), (2, 9634235), (5, 3853694), (10, 1926847), (13, 1482190), (19, 1014130), (26, 741095), (29, 664430), (38, 507065), (58, 332215), (65, 296438), (95, 202826), (130, 148219), (145, 132886), (190, 101413), (247, 78010), (269, 71630), (290, 66443), (377, 51110), (494, 39005), (538, 35815), (551, 34970), (754, 25555), (1102, 17485), (1235, 15602), (1345, 14326), (1885, 10222), (2470, 7801), (2690, 7163), (2755, 6994), (3497, 5510), (3770, 5111)]