16743940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 37396800

約数和(自身を除く): 20652860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 317, 380, 556, 634, 695, 1268, 1390, 1585, 2641, 2780, 3170, 5282, 6023, 6340, 10564, 12046, 13205, 24092, 26410, 30115, 44063, 52820, 60230, 88126, 120460, 176252, 220315, 440630, 837197, 881260, 1674394, 3348788, 4185985, 8371970, 16743940]

約数ペア:

[(1, 16743940), (2, 8371970), (4, 4185985), (5, 3348788), (10, 1674394), (19, 881260), (20, 837197), (38, 440630), (76, 220315), (95, 176252), (139, 120460), (190, 88126), (278, 60230), (317, 52820), (380, 44063), (556, 30115), (634, 26410), (695, 24092), (1268, 13205), (1390, 12046), (1585, 10564), (2641, 6340), (2780, 6023), (3170, 5282)]