15561228

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 38586240

約数和(自身を除く): 23025012

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 131, 228, 262, 393, 521, 524, 786, 1042, 1563, 1572, 2084, 2489, 3126, 4978, 6252, 7467, 9899, 9956, 14934, 19798, 29697, 29868, 39596, 59394, 68251, 118788, 136502, 204753, 273004, 409506, 819012, 1296769, 2593538, 3890307, 5187076, 7780614, 15561228]

約数ペア:

[(1, 15561228), (2, 7780614), (3, 5187076), (4, 3890307), (6, 2593538), (12, 1296769), (19, 819012), (38, 409506), (57, 273004), (76, 204753), (114, 136502), (131, 118788), (228, 68251), (262, 59394), (393, 39596), (521, 29868), (524, 29697), (786, 19798), (1042, 14934), (1563, 9956), (1572, 9899), (2084, 7467), (2489, 6252), (3126, 4978)]