15337940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 34245120

約数和(自身を除く): 18907180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 181, 190, 223, 362, 380, 446, 724, 892, 905, 1115, 1810, 2230, 3439, 3620, 4237, 4460, 6878, 8474, 13756, 16948, 17195, 21185, 34390, 40363, 42370, 68780, 80726, 84740, 161452, 201815, 403630, 766897, 807260, 1533794, 3067588, 3834485, 7668970, 15337940]

約数ペア:

[(1, 15337940), (2, 7668970), (4, 3834485), (5, 3067588), (10, 1533794), (19, 807260), (20, 766897), (38, 403630), (76, 201815), (95, 161452), (181, 84740), (190, 80726), (223, 68780), (362, 42370), (380, 40363), (446, 34390), (724, 21185), (892, 17195), (905, 16948), (1115, 13756), (1810, 8474), (2230, 6878), (3439, 4460), (3620, 4237)]