19663530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 29325270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 83, 106, 149, 159, 166, 249, 265, 298, 318, 415, 447, 498, 530, 745, 795, 830, 894, 1245, 1490, 1590, 2235, 2490, 4399, 4470, 7897, 8798, 12367, 13197, 15794, 21995, 23691, 24734, 26394, 37101, 39485, 43990, 47382, 61835, 65985, 74202, 78970, 118455, 123670, 131970, 185505, 236910, 371010, 655451, 1310902, 1966353, 3277255, 3932706, 6554510, 9831765, 19663530]

約数ペア:

[(1, 19663530), (2, 9831765), (3, 6554510), (5, 3932706), (6, 3277255), (10, 1966353), (15, 1310902), (30, 655451), (53, 371010), (83, 236910), (106, 185505), (149, 131970), (159, 123670), (166, 118455), (249, 78970), (265, 74202), (298, 65985), (318, 61835), (415, 47382), (447, 43990), (498, 39485), (530, 37101), (745, 26394), (795, 24734), (830, 23691), (894, 21995), (1245, 15794), (1490, 13197), (1590, 12367), (2235, 8798), (2490, 7897), (4399, 4470)]