18715504

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{829}}^1$

素因数の和:937

約数の個数: 40

約数和(自身を含む): 38903760

約数和(自身を除く): 20188256

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 83, 136, 166, 272, 332, 664, 829, 1328, 1411, 1658, 2822, 3316, 5644, 6632, 11288, 13264, 14093, 22576, 28186, 56372, 68807, 112744, 137614, 225488, 275228, 550456, 1100912, 1169719, 2339438, 4678876, 9357752, 18715504]

約数ペア:

[(1, 18715504), (2, 9357752), (4, 4678876), (8, 2339438), (16, 1169719), (17, 1100912), (34, 550456), (68, 275228), (83, 225488), (136, 137614), (166, 112744), (272, 68807), (332, 56372), (664, 28186), (829, 22576), (1328, 14093), (1411, 13264), (1658, 11288), (2822, 6632), (3316, 5644)]