19167940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 44279424

約数和(自身を除く): 25111484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 577, 604, 755, 1154, 1510, 1661, 2308, 2885, 3020, 3322, 5770, 6347, 6644, 8305, 11540, 12694, 16610, 25388, 31735, 33220, 63470, 87127, 126940, 174254, 348508, 435635, 871270, 958397, 1742540, 1916794, 3833588, 4791985, 9583970, 19167940]

約数ペア:

[(1, 19167940), (2, 9583970), (4, 4791985), (5, 3833588), (10, 1916794), (11, 1742540), (20, 958397), (22, 871270), (44, 435635), (55, 348508), (110, 174254), (151, 126940), (220, 87127), (302, 63470), (577, 33220), (604, 31735), (755, 25388), (1154, 16610), (1510, 12694), (1661, 11540), (2308, 8305), (2885, 6644), (3020, 6347), (3322, 5770)]