19845394

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 32481792

約数和(自身を除く): 12636398

約数列:

[1, 2, 31, 37, 41, 62, 74, 82, 211, 422, 1147, 1271, 1517, 2294, 2542, 3034, 6541, 7807, 8651, 13082, 15614, 17302, 47027, 94054, 242017, 268181, 320087, 484034, 536362, 640174, 9922697, 19845394]

約数ペア:

[(1, 19845394), (2, 9922697), (31, 640174), (37, 536362), (41, 484034), (62, 320087), (74, 268181), (82, 242017), (211, 94054), (422, 47027), (1147, 17302), (1271, 15614), (1517, 13082), (2294, 8651), (2542, 7807), (3034, 6541)]