12718790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 28131840

約数和(自身を除く): 15413050

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 73, 95, 131, 133, 146, 190, 262, 266, 365, 511, 655, 665, 730, 917, 1022, 1310, 1330, 1387, 1834, 2489, 2555, 2774, 4585, 4978, 5110, 6935, 9170, 9563, 9709, 12445, 13870, 17423, 19126, 19418, 24890, 34846, 47815, 48545, 66941, 87115, 95630, 97090, 133882, 174230, 181697, 334705, 363394, 669410, 908485, 1271879, 1816970, 2543758, 6359395, 12718790]

約数ペア:

[(1, 12718790), (2, 6359395), (5, 2543758), (7, 1816970), (10, 1271879), (14, 908485), (19, 669410), (35, 363394), (38, 334705), (70, 181697), (73, 174230), (95, 133882), (131, 97090), (133, 95630), (146, 87115), (190, 66941), (262, 48545), (266, 47815), (365, 34846), (511, 24890), (655, 19418), (665, 19126), (730, 17423), (917, 13870), (1022, 12445), (1310, 9709), (1330, 9563), (1387, 9170), (1834, 6935), (2489, 5110), (2555, 4978), (2774, 4585)]