31897162

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 55442880

約数和(自身を除く): 23545718

約数列:

[1, 2, 11, 19, 22, 38, 137, 209, 274, 418, 557, 1114, 1507, 2603, 3014, 5206, 6127, 10583, 12254, 21166, 28633, 57266, 76309, 116413, 152618, 232826, 839399, 1449871, 1678798, 2899742, 15948581, 31897162]

約数ペア:

[(1, 31897162), (2, 15948581), (11, 2899742), (19, 1678798), (22, 1449871), (38, 839399), (137, 232826), (209, 152618), (274, 116413), (418, 76309), (557, 57266), (1114, 28633), (1507, 21166), (2603, 12254), (3014, 10583), (5206, 6127)]