31867180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4933}}^1$

素因数の和:4978

約数の個数: 48

約数和(自身を含む): 74602080

約数和(自身を除く): 42734900

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 4933, 6460, 9866, 19732, 24665, 49330, 83861, 93727, 98660, 167722, 187454, 335444, 374908, 419305, 468635, 838610, 937270, 1593359, 1677220, 1874540, 3186718, 6373436, 7966795, 15933590, 31867180]

約数ペア:

[(1, 31867180), (2, 15933590), (4, 7966795), (5, 6373436), (10, 3186718), (17, 1874540), (19, 1677220), (20, 1593359), (34, 937270), (38, 838610), (68, 468635), (76, 419305), (85, 374908), (95, 335444), (170, 187454), (190, 167722), (323, 98660), (340, 93727), (380, 83861), (646, 49330), (1292, 24665), (1615, 19732), (3230, 9866), (4933, 6460)]