18472545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{347}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 39738816

約数和(自身を除く): 21266271

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 169, 195, 273, 315, 347, 455, 507, 585, 819, 845, 1041, 1183, 1365, 1521, 1735, 2429, 2535, 3123, 3549, 4095, 4511, 5205, 5915, 7287, 7605, 10647, 12145, 13533, 15615, 17745, 21861, 22555, 31577, 36435, 40599, 53235, 58643, 67665, 94731, 109305, 157885, 175929, 202995, 284193, 293215, 410501, 473655, 527787, 879645, 1231503, 1420965, 2052505, 2638935, 3694509, 6157515, 18472545]

約数ペア:

[(1, 18472545), (3, 6157515), (5, 3694509), (7, 2638935), (9, 2052505), (13, 1420965), (15, 1231503), (21, 879645), (35, 527787), (39, 473655), (45, 410501), (63, 293215), (65, 284193), (91, 202995), (105, 175929), (117, 157885), (169, 109305), (195, 94731), (273, 67665), (315, 58643), (347, 53235), (455, 40599), (507, 36435), (585, 31577), (819, 22555), (845, 21861), (1041, 17745), (1183, 15615), (1365, 13533), (1521, 12145), (1735, 10647), (2429, 7605), (2535, 7287), (3123, 5915), (3549, 5205), (4095, 4511)]