12220496

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:747

約数の個数: 40

約数和(自身を含む): 25370400

約数和(自身を除く): 13149904

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 659, 976, 1159, 1318, 2318, 2636, 4636, 5272, 9272, 10544, 12521, 18544, 25042, 40199, 50084, 80398, 100168, 160796, 200336, 321592, 643184, 763781, 1527562, 3055124, 6110248, 12220496]

約数ペア:

[(1, 12220496), (2, 6110248), (4, 3055124), (8, 1527562), (16, 763781), (19, 643184), (38, 321592), (61, 200336), (76, 160796), (122, 100168), (152, 80398), (244, 50084), (304, 40199), (488, 25042), (659, 18544), (976, 12521), (1159, 10544), (1318, 9272), (2318, 5272), (2636, 4636)]