19862440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38197}}^1$

素因数の和:38221

約数の個数: 32

約数和(自身を含む): 48129480

約数和(自身を除く): 28267040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38197, 76394, 152788, 190985, 305576, 381970, 496561, 763940, 993122, 1527880, 1986244, 2482805, 3972488, 4965610, 9931220, 19862440]

約数ペア:

[(1, 19862440), (2, 9931220), (4, 4965610), (5, 3972488), (8, 2482805), (10, 1986244), (13, 1527880), (20, 993122), (26, 763940), (40, 496561), (52, 381970), (65, 305576), (104, 190985), (130, 152788), (260, 76394), (520, 38197)]