18364216

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 40450320

約数和(自身を除く): 22086104

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 47, 52, 68, 94, 104, 136, 169, 188, 221, 289, 338, 376, 442, 578, 611, 676, 799, 884, 1156, 1222, 1352, 1598, 1768, 2312, 2444, 2873, 3196, 3757, 4888, 5746, 6392, 7514, 7943, 10387, 11492, 13583, 15028, 15886, 20774, 22984, 27166, 30056, 31772, 41548, 48841, 54332, 63544, 83096, 97682, 108664, 135031, 176579, 195364, 270062, 353158, 390728, 540124, 706316, 1080248, 1412632, 2295527, 4591054, 9182108, 18364216]

約数ペア:

[(1, 18364216), (2, 9182108), (4, 4591054), (8, 2295527), (13, 1412632), (17, 1080248), (26, 706316), (34, 540124), (47, 390728), (52, 353158), (68, 270062), (94, 195364), (104, 176579), (136, 135031), (169, 108664), (188, 97682), (221, 83096), (289, 63544), (338, 54332), (376, 48841), (442, 41548), (578, 31772), (611, 30056), (676, 27166), (799, 22984), (884, 20774), (1156, 15886), (1222, 15028), (1352, 13583), (1598, 11492), (1768, 10387), (2312, 7943), (2444, 7514), (2873, 6392), (3196, 5746), (3757, 4888)]