18019612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 35505792

約数和(自身を除く): 17486180

約数列:

[1, 2, 4, 13, 26, 47, 52, 73, 94, 101, 146, 188, 202, 292, 404, 611, 949, 1222, 1313, 1898, 2444, 2626, 3431, 3796, 4747, 5252, 6862, 7373, 9494, 13724, 14746, 18988, 29492, 44603, 61711, 89206, 95849, 123422, 178412, 191698, 246844, 346531, 383396, 693062, 1386124, 4504903, 9009806, 18019612]

約数ペア:

[(1, 18019612), (2, 9009806), (4, 4504903), (13, 1386124), (26, 693062), (47, 383396), (52, 346531), (73, 246844), (94, 191698), (101, 178412), (146, 123422), (188, 95849), (202, 89206), (292, 61711), (404, 44603), (611, 29492), (949, 18988), (1222, 14746), (1313, 13724), (1898, 9494), (2444, 7373), (2626, 6862), (3431, 5252), (3796, 4747)]