19271720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37061}}^1$

素因数の和:37085

約数の個数: 32

約数和(自身を含む): 46698120

約数和(自身を除く): 27426400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37061, 74122, 148244, 185305, 296488, 370610, 481793, 741220, 963586, 1482440, 1927172, 2408965, 3854344, 4817930, 9635860, 19271720]

約数ペア:

[(1, 19271720), (2, 9635860), (4, 4817930), (5, 3854344), (8, 2408965), (10, 1927172), (13, 1482440), (20, 963586), (26, 741220), (40, 481793), (52, 370610), (65, 296488), (104, 185305), (130, 148244), (260, 74122), (520, 37061)]