19865016

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4523}}^1$

素因数の和:4596

約数の個数: 48

約数和(自身を含む): 54695160

約数和(自身を除く): 34830144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4523, 9046, 13569, 18092, 27138, 36184, 40707, 54276, 81414, 108552, 162828, 275903, 325656, 551806, 827709, 1103612, 1655418, 2207224, 2483127, 3310836, 4966254, 6621672, 9932508, 19865016]

約数ペア:

[(1, 19865016), (2, 9932508), (3, 6621672), (4, 4966254), (6, 3310836), (8, 2483127), (9, 2207224), (12, 1655418), (18, 1103612), (24, 827709), (36, 551806), (61, 325656), (72, 275903), (122, 162828), (183, 108552), (244, 81414), (366, 54276), (488, 40707), (549, 36184), (732, 27138), (1098, 18092), (1464, 13569), (2196, 9046), (4392, 4523)]