18471710

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 34080480

約数和(自身を除く): 15608770

約数列:

[1, 2, 5, 10, 97, 137, 139, 194, 274, 278, 485, 685, 695, 970, 1370, 1390, 13289, 13483, 19043, 26578, 26966, 38086, 66445, 67415, 95215, 132890, 134830, 190430, 1847171, 3694342, 9235855, 18471710]

約数ペア:

[(1, 18471710), (2, 9235855), (5, 3694342), (10, 1847171), (97, 190430), (137, 134830), (139, 132890), (194, 95215), (274, 67415), (278, 66445), (485, 38086), (685, 26966), (695, 26578), (970, 19043), (1370, 13483), (1390, 13289)]