19020520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:922

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 27635480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 863, 1102, 1160, 1726, 2204, 2755, 3452, 4315, 4408, 5510, 6904, 8630, 11020, 16397, 17260, 22040, 25027, 32794, 34520, 50054, 65588, 81985, 100108, 125135, 131176, 163970, 200216, 250270, 327940, 475513, 500540, 655880, 951026, 1001080, 1902052, 2377565, 3804104, 4755130, 9510260, 19020520]

約数ペア:

[(1, 19020520), (2, 9510260), (4, 4755130), (5, 3804104), (8, 2377565), (10, 1902052), (19, 1001080), (20, 951026), (29, 655880), (38, 500540), (40, 475513), (58, 327940), (76, 250270), (95, 200216), (116, 163970), (145, 131176), (152, 125135), (190, 100108), (232, 81985), (290, 65588), (380, 50054), (551, 34520), (580, 32794), (760, 25027), (863, 22040), (1102, 17260), (1160, 16397), (1726, 11020), (2204, 8630), (2755, 6904), (3452, 5510), (4315, 4408)]