11897420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 26611200

約数和(自身を除く): 14713780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 239, 262, 380, 478, 524, 655, 956, 1195, 1310, 2390, 2489, 2620, 4541, 4780, 4978, 9082, 9956, 12445, 18164, 22705, 24890, 31309, 45410, 49780, 62618, 90820, 125236, 156545, 313090, 594871, 626180, 1189742, 2379484, 2974355, 5948710, 11897420]

約数ペア:

[(1, 11897420), (2, 5948710), (4, 2974355), (5, 2379484), (10, 1189742), (19, 626180), (20, 594871), (38, 313090), (76, 156545), (95, 125236), (131, 90820), (190, 62618), (239, 49780), (262, 45410), (380, 31309), (478, 24890), (524, 22705), (655, 18164), (956, 12445), (1195, 9956), (1310, 9082), (2390, 4978), (2489, 4780), (2620, 4541)]