15873740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1129}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 36069600

約数和(自身を除く): 20195860

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1129, 1406, 2258, 2812, 3515, 4516, 5645, 7030, 11290, 14060, 21451, 22580, 41773, 42902, 83546, 85804, 107255, 167092, 208865, 214510, 417730, 429020, 793687, 835460, 1587374, 3174748, 3968435, 7936870, 15873740]

約数ペア:

[(1, 15873740), (2, 7936870), (4, 3968435), (5, 3174748), (10, 1587374), (19, 835460), (20, 793687), (37, 429020), (38, 417730), (74, 214510), (76, 208865), (95, 167092), (148, 107255), (185, 85804), (190, 83546), (370, 42902), (380, 41773), (703, 22580), (740, 21451), (1129, 14060), (1406, 11290), (2258, 7030), (2812, 5645), (3515, 4516)]