18198704

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2909}}^1$

素因数の和:2957

約数の個数: 40

約数和(自身を含む): 38970720

約数和(自身を除く): 20772016

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 2909, 3128, 5818, 6256, 11636, 23272, 46544, 49453, 66907, 98906, 133814, 197812, 267628, 395624, 535256, 791248, 1070512, 1137419, 2274838, 4549676, 9099352, 18198704]

約数ペア:

[(1, 18198704), (2, 9099352), (4, 4549676), (8, 2274838), (16, 1137419), (17, 1070512), (23, 791248), (34, 535256), (46, 395624), (68, 267628), (92, 197812), (136, 133814), (184, 98906), (272, 66907), (368, 49453), (391, 46544), (782, 23272), (1564, 11636), (2909, 6256), (3128, 5818)]