18931722410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{431}}^1\times {\mathrm{15199}}^1$

素因数の和:15671

約数の個数: 48

約数和(自身を含む): 36285926400

約数和(自身を除く): 17354203990

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 431, 578, 862, 1445, 2155, 2890, 4310, 7327, 14654, 15199, 30398, 36635, 73270, 75995, 124559, 151990, 249118, 258383, 516766, 622795, 1245590, 1291915, 2583830, 4392511, 6550769, 8785022, 13101538, 21962555, 32753845, 43925110, 65507690, 111363073, 222726146, 556815365, 1113630730, 1893172241, 3786344482, 9465861205, 18931722410]

約数ペア:

[(1, 18931722410), (2, 9465861205), (5, 3786344482), (10, 1893172241), (17, 1113630730), (34, 556815365), (85, 222726146), (170, 111363073), (289, 65507690), (431, 43925110), (578, 32753845), (862, 21962555), (1445, 13101538), (2155, 8785022), (2890, 6550769), (4310, 4392511), (7327, 2583830), (14654, 1291915), (15199, 1245590), (30398, 622795), (36635, 516766), (73270, 258383), (75995, 249118), (124559, 151990)]