19450020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10457}}^1$

素因数の和:10500

約数の個数: 48

約数和(自身を含む): 56222208

約数和(自身を除く): 36772188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10457, 20914, 31371, 41828, 52285, 62742, 104570, 125484, 156855, 209140, 313710, 324167, 627420, 648334, 972501, 1296668, 1620835, 1945002, 3241670, 3890004, 4862505, 6483340, 9725010, 19450020]

約数ペア:

[(1, 19450020), (2, 9725010), (3, 6483340), (4, 4862505), (5, 3890004), (6, 3241670), (10, 1945002), (12, 1620835), (15, 1296668), (20, 972501), (30, 648334), (31, 627420), (60, 324167), (62, 313710), (93, 209140), (124, 156855), (155, 125484), (186, 104570), (310, 62742), (372, 52285), (465, 41828), (620, 31371), (930, 20914), (1860, 10457)]