19942072

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 38641680

約数和(自身を除く): 18699608

約数列:

[1, 2, 4, 8, 41, 82, 163, 164, 326, 328, 373, 652, 746, 1304, 1492, 2984, 6683, 13366, 15293, 26732, 30586, 53464, 60799, 61172, 121598, 122344, 243196, 486392, 2492759, 4985518, 9971036, 19942072]

約数ペア:

[(1, 19942072), (2, 9971036), (4, 4985518), (8, 2492759), (41, 486392), (82, 243196), (163, 122344), (164, 121598), (326, 61172), (328, 60799), (373, 53464), (652, 30586), (746, 26732), (1304, 15293), (1492, 13366), (2984, 6683)]