19907352

素因数分解:

$2^3\times 3^2\times {\mathrm{283}}^1\times {\mathrm{977}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 54161640

約数和(自身を除く): 34254288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 283, 566, 849, 977, 1132, 1698, 1954, 2264, 2547, 2931, 3396, 3908, 5094, 5862, 6792, 7816, 8793, 10188, 11724, 17586, 20376, 23448, 35172, 70344, 276491, 552982, 829473, 1105964, 1658946, 2211928, 2488419, 3317892, 4976838, 6635784, 9953676, 19907352]

約数ペア:

[(1, 19907352), (2, 9953676), (3, 6635784), (4, 4976838), (6, 3317892), (8, 2488419), (9, 2211928), (12, 1658946), (18, 1105964), (24, 829473), (36, 552982), (72, 276491), (283, 70344), (566, 35172), (849, 23448), (977, 20376), (1132, 17586), (1698, 11724), (1954, 10188), (2264, 8793), (2547, 7816), (2931, 6792), (3396, 5862), (3908, 5094)]