18822440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5171}}^1$

素因数の和:5202

約数の個数: 64

約数和(自身を含む): 52133760

約数和(自身を除く): 33311320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5171, 10342, 20684, 25855, 36197, 41368, 51710, 67223, 72394, 103420, 134446, 144788, 180985, 206840, 268892, 289576, 336115, 361970, 470561, 537784, 672230, 723940, 941122, 1344460, 1447880, 1882244, 2352805, 2688920, 3764488, 4705610, 9411220, 18822440]

約数ペア:

[(1, 18822440), (2, 9411220), (4, 4705610), (5, 3764488), (7, 2688920), (8, 2352805), (10, 1882244), (13, 1447880), (14, 1344460), (20, 941122), (26, 723940), (28, 672230), (35, 537784), (40, 470561), (52, 361970), (56, 336115), (65, 289576), (70, 268892), (91, 206840), (104, 180985), (130, 144788), (140, 134446), (182, 103420), (260, 72394), (280, 67223), (364, 51710), (455, 41368), (520, 36197), (728, 25855), (910, 20684), (1820, 10342), (3640, 5171)]