17793880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1844

約数の個数: 64

約数和(自身を含む): 45410400

約数和(自身を除く): 27616520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1801, 1976, 2470, 3602, 4940, 7204, 9005, 9880, 14408, 18010, 23413, 34219, 36020, 46826, 68438, 72040, 93652, 117065, 136876, 171095, 187304, 234130, 273752, 342190, 444847, 468260, 684380, 889694, 936520, 1368760, 1779388, 2224235, 3558776, 4448470, 8896940, 17793880]

約数ペア:

[(1, 17793880), (2, 8896940), (4, 4448470), (5, 3558776), (8, 2224235), (10, 1779388), (13, 1368760), (19, 936520), (20, 889694), (26, 684380), (38, 468260), (40, 444847), (52, 342190), (65, 273752), (76, 234130), (95, 187304), (104, 171095), (130, 136876), (152, 117065), (190, 93652), (247, 72040), (260, 68438), (380, 46826), (494, 36020), (520, 34219), (760, 23413), (988, 18010), (1235, 14408), (1801, 9880), (1976, 9005), (2470, 7204), (3602, 4940)]