19004320

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2897}}^1$

素因数の和:2953

約数の個数: 48

約数和(自身を含む): 46008648

約数和(自身を除く): 27004328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2897, 3280, 5794, 6560, 11588, 14485, 23176, 28970, 46352, 57940, 92704, 115880, 118777, 231760, 237554, 463520, 475108, 593885, 950216, 1187770, 1900432, 2375540, 3800864, 4751080, 9502160, 19004320]

約数ペア:

[(1, 19004320), (2, 9502160), (4, 4751080), (5, 3800864), (8, 2375540), (10, 1900432), (16, 1187770), (20, 950216), (32, 593885), (40, 475108), (41, 463520), (80, 237554), (82, 231760), (160, 118777), (164, 115880), (205, 92704), (328, 57940), (410, 46352), (656, 28970), (820, 23176), (1312, 14485), (1640, 11588), (2897, 6560), (3280, 5794)]