19883444

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 22210636

約数列:

[1, 2, 4, 7, 14, 28, 29, 47, 58, 94, 116, 188, 203, 329, 406, 521, 658, 812, 1042, 1316, 1363, 2084, 2726, 3647, 5452, 7294, 9541, 14588, 15109, 19082, 24487, 30218, 38164, 48974, 60436, 97948, 105763, 171409, 211526, 342818, 423052, 685636, 710123, 1420246, 2840492, 4970861, 9941722, 19883444]

約数ペア:

[(1, 19883444), (2, 9941722), (4, 4970861), (7, 2840492), (14, 1420246), (28, 710123), (29, 685636), (47, 423052), (58, 342818), (94, 211526), (116, 171409), (188, 105763), (203, 97948), (329, 60436), (406, 48974), (521, 38164), (658, 30218), (812, 24487), (1042, 19082), (1316, 15109), (1363, 14588), (2084, 9541), (2726, 7294), (3647, 5452)]