19661120784

素因数分解:

$2^4\times 3^2\times {\mathrm{136535561}}^1$

素因数の和:136535575

約数の個数: 30

約数和(自身を含む): 55023831486

約数和(自身を除く): 35362710702

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136535561, 273071122, 409606683, 546142244, 819213366, 1092284488, 1228820049, 1638426732, 2184568976, 2457640098, 3276853464, 4915280196, 6553706928, 9830560392, 19661120784]

約数ペア:

[(1, 19661120784), (2, 9830560392), (3, 6553706928), (4, 4915280196), (6, 3276853464), (8, 2457640098), (9, 2184568976), (12, 1638426732), (16, 1228820049), (18, 1092284488), (24, 819213366), (36, 546142244), (48, 409606683), (72, 273071122), (144, 136535561)]