16443740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 36775200

約数和(自身を除く): 20331460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 397, 436, 545, 794, 1090, 1588, 1985, 2071, 2180, 3970, 4142, 7543, 7940, 8284, 10355, 15086, 20710, 30172, 37715, 41420, 43273, 75430, 86546, 150860, 173092, 216365, 432730, 822187, 865460, 1644374, 3288748, 4110935, 8221870, 16443740]

約数ペア:

[(1, 16443740), (2, 8221870), (4, 4110935), (5, 3288748), (10, 1644374), (19, 865460), (20, 822187), (38, 432730), (76, 216365), (95, 173092), (109, 150860), (190, 86546), (218, 75430), (380, 43273), (397, 41420), (436, 37715), (545, 30172), (794, 20710), (1090, 15086), (1588, 10355), (1985, 8284), (2071, 7940), (2180, 7543), (3970, 4142)]