18887370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:947

約数の個数: 64

約数和(自身を含む): 48881664

約数和(自身を除く): 29994294

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 883, 930, 1426, 1766, 2139, 2649, 3565, 4278, 4415, 5298, 7130, 8830, 10695, 13245, 20309, 21390, 26490, 27373, 40618, 54746, 60927, 82119, 101545, 121854, 136865, 164238, 203090, 273730, 304635, 410595, 609270, 629579, 821190, 1259158, 1888737, 3147895, 3777474, 6295790, 9443685, 18887370]

約数ペア:

[(1, 18887370), (2, 9443685), (3, 6295790), (5, 3777474), (6, 3147895), (10, 1888737), (15, 1259158), (23, 821190), (30, 629579), (31, 609270), (46, 410595), (62, 304635), (69, 273730), (93, 203090), (115, 164238), (138, 136865), (155, 121854), (186, 101545), (230, 82119), (310, 60927), (345, 54746), (465, 40618), (690, 27373), (713, 26490), (883, 21390), (930, 20309), (1426, 13245), (1766, 10695), (2139, 8830), (2649, 7130), (3565, 5298), (4278, 4415)]