19901664

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3637}}^1$

素因数の和:3672

約数の個数: 72

約数和(自身を含む): 59590440

約数和(自身を除く): 39688776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3637, 5472, 7274, 10911, 14548, 21822, 29096, 32733, 43644, 58192, 65466, 69103, 87288, 116384, 130932, 138206, 174576, 207309, 261864, 276412, 349152, 414618, 523728, 552824, 621927, 829236, 1047456, 1105648, 1243854, 1658472, 2211296, 2487708, 3316944, 4975416, 6633888, 9950832, 19901664]

約数ペア:

[(1, 19901664), (2, 9950832), (3, 6633888), (4, 4975416), (6, 3316944), (8, 2487708), (9, 2211296), (12, 1658472), (16, 1243854), (18, 1105648), (19, 1047456), (24, 829236), (32, 621927), (36, 552824), (38, 523728), (48, 414618), (57, 349152), (72, 276412), (76, 261864), (96, 207309), (114, 174576), (144, 138206), (152, 130932), (171, 116384), (228, 87288), (288, 69103), (304, 65466), (342, 58192), (456, 43644), (608, 32733), (684, 29096), (912, 21822), (1368, 14548), (1824, 10911), (2736, 7274), (3637, 5472)]