12998470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 25896240

約数和(自身を除く): 12897770

約数列:

[1, 2, 5, 10, 19, 37, 38, 43, 74, 86, 95, 185, 190, 215, 370, 430, 703, 817, 1406, 1591, 1634, 1849, 3182, 3515, 3698, 4085, 7030, 7955, 8170, 9245, 15910, 18490, 30229, 35131, 60458, 68413, 70262, 136826, 151145, 175655, 302290, 342065, 351310, 684130, 1299847, 2599694, 6499235, 12998470]

約数ペア:

[(1, 12998470), (2, 6499235), (5, 2599694), (10, 1299847), (19, 684130), (37, 351310), (38, 342065), (43, 302290), (74, 175655), (86, 151145), (95, 136826), (185, 70262), (190, 68413), (215, 60458), (370, 35131), (430, 30229), (703, 18490), (817, 15910), (1406, 9245), (1591, 8170), (1634, 7955), (1849, 7030), (3182, 4085), (3515, 3698)]