19483700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 45668952

約数和(自身を除く): 26185252

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 73, 85, 100, 146, 157, 170, 292, 314, 340, 365, 425, 628, 730, 785, 850, 1241, 1460, 1570, 1700, 1825, 2482, 2669, 3140, 3650, 3925, 4964, 5338, 6205, 7300, 7850, 10676, 11461, 12410, 13345, 15700, 22922, 24820, 26690, 31025, 45844, 53380, 57305, 62050, 66725, 114610, 124100, 133450, 194837, 229220, 266900, 286525, 389674, 573050, 779348, 974185, 1146100, 1948370, 3896740, 4870925, 9741850, 19483700]

約数ペア:

[(1, 19483700), (2, 9741850), (4, 4870925), (5, 3896740), (10, 1948370), (17, 1146100), (20, 974185), (25, 779348), (34, 573050), (50, 389674), (68, 286525), (73, 266900), (85, 229220), (100, 194837), (146, 133450), (157, 124100), (170, 114610), (292, 66725), (314, 62050), (340, 57305), (365, 53380), (425, 45844), (628, 31025), (730, 26690), (785, 24820), (850, 22922), (1241, 15700), (1460, 13345), (1570, 12410), (1700, 11461), (1825, 10676), (2482, 7850), (2669, 7300), (3140, 6205), (3650, 5338), (3925, 4964)]