18715696916

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{176317}}^1$

素因数の和:176568

約数の個数: 48

約数和(自身を含む): 39811193856

約数和(自身を除く): 21095496940

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 223, 238, 446, 476, 892, 1561, 3122, 3791, 6244, 7582, 15164, 26537, 53074, 106148, 176317, 352634, 705268, 1234219, 2468438, 2997389, 4936876, 5994778, 11989556, 20981723, 39318691, 41963446, 78637382, 83926892, 157274764, 275230837, 550461674, 668417747, 1100923348, 1336835494, 2673670988, 4678924229, 9357848458, 18715696916]

約数ペア:

[(1, 18715696916), (2, 9357848458), (4, 4678924229), (7, 2673670988), (14, 1336835494), (17, 1100923348), (28, 668417747), (34, 550461674), (68, 275230837), (119, 157274764), (223, 83926892), (238, 78637382), (446, 41963446), (476, 39318691), (892, 20981723), (1561, 11989556), (3122, 5994778), (3791, 4936876), (6244, 2997389), (7582, 2468438), (15164, 1234219), (26537, 705268), (53074, 352634), (106148, 176317)]