19699526

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 38495520

約数和(自身を除く): 18795994

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 121, 154, 203, 242, 319, 401, 406, 638, 802, 847, 1694, 2233, 2807, 3509, 4411, 4466, 5614, 7018, 8822, 11629, 23258, 24563, 30877, 48521, 49126, 61754, 81403, 97042, 127919, 162806, 255838, 339647, 679294, 895433, 1407109, 1790866, 2814218, 9849763, 19699526]

約数ペア:

[(1, 19699526), (2, 9849763), (7, 2814218), (11, 1790866), (14, 1407109), (22, 895433), (29, 679294), (58, 339647), (77, 255838), (121, 162806), (154, 127919), (203, 97042), (242, 81403), (319, 61754), (401, 49126), (406, 48521), (638, 30877), (802, 24563), (847, 23258), (1694, 11629), (2233, 8822), (2807, 7018), (3509, 5614), (4411, 4466)]