18881772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17291}}^1$

素因数の和:17318

約数の個数: 48

約数和(自身を含む): 54227712

約数和(自身を除く): 35345940

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 17291, 34582, 51873, 69164, 103746, 121037, 207492, 224783, 242074, 363111, 449566, 484148, 674349, 726222, 899132, 1348698, 1452444, 1573481, 2697396, 3146962, 4720443, 6293924, 9440886, 18881772]

約数ペア:

[(1, 18881772), (2, 9440886), (3, 6293924), (4, 4720443), (6, 3146962), (7, 2697396), (12, 1573481), (13, 1452444), (14, 1348698), (21, 899132), (26, 726222), (28, 674349), (39, 484148), (42, 449566), (52, 363111), (78, 242074), (84, 224783), (91, 207492), (156, 121037), (182, 103746), (273, 69164), (364, 51873), (546, 34582), (1092, 17291)]