19725160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5419}}^1$

素因数の和:5450

約数の個数: 64

約数和(自身を含む): 54633600

約数和(自身を除く): 34908440

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, 5419, 10838, 21676, 27095, 37933, 43352, 54190, 70447, 75866, 108380, 140894, 151732, 189665, 216760, 281788, 303464, 352235, 379330, 493129, 563576, 704470, 758660, 986258, 1408940, 1517320, 1972516, 2465645, 2817880, 3945032, 4931290, 9862580, 19725160]

約数ペア:

[(1, 19725160), (2, 9862580), (4, 4931290), (5, 3945032), (7, 2817880), (8, 2465645), (10, 1972516), (13, 1517320), (14, 1408940), (20, 986258), (26, 758660), (28, 704470), (35, 563576), (40, 493129), (52, 379330), (56, 352235), (65, 303464), (70, 281788), (91, 216760), (104, 189665), (130, 151732), (140, 140894), (182, 108380), (260, 75866), (280, 70447), (364, 54190), (455, 43352), (520, 37933), (728, 27095), (910, 21676), (1820, 10838), (3640, 5419)]