1821981928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2441}}^1\times {\mathrm{7177}}^1$

素因数の和:9637

約数の個数: 32

約数和(自身を含む): 3681021960

約数和(自身を除く): 1859040032

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2441, 4882, 7177, 9764, 14354, 19528, 28708, 31733, 57416, 63466, 93301, 126932, 186602, 253864, 373204, 746408, 17519057, 35038114, 70076228, 140152456, 227747741, 455495482, 910990964, 1821981928]

約数ペア:

[(1, 1821981928), (2, 910990964), (4, 455495482), (8, 227747741), (13, 140152456), (26, 70076228), (52, 35038114), (104, 17519057), (2441, 746408), (4882, 373204), (7177, 253864), (9764, 186602), (14354, 126932), (19528, 93301), (28708, 63466), (31733, 57416)]