17987670

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:491

約数の個数: 80

約数和(自身を含む): 49397040

約数和(自身を除く): 31409370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 265, 270, 318, 405, 419, 477, 530, 795, 810, 838, 954, 1257, 1431, 1590, 2095, 2385, 2514, 2862, 3771, 4190, 4293, 4770, 6285, 7155, 7542, 8586, 11313, 12570, 14310, 18855, 21465, 22207, 22626, 33939, 37710, 42930, 44414, 56565, 66621, 67878, 111035, 113130, 133242, 169695, 199863, 222070, 333105, 339390, 399726, 599589, 666210, 999315, 1199178, 1798767, 1998630, 2997945, 3597534, 5995890, 8993835, 17987670]

約数ペア:

[(1, 17987670), (2, 8993835), (3, 5995890), (5, 3597534), (6, 2997945), (9, 1998630), (10, 1798767), (15, 1199178), (18, 999315), (27, 666210), (30, 599589), (45, 399726), (53, 339390), (54, 333105), (81, 222070), (90, 199863), (106, 169695), (135, 133242), (159, 113130), (162, 111035), (265, 67878), (270, 66621), (318, 56565), (405, 44414), (419, 42930), (477, 37710), (530, 33939), (795, 22626), (810, 22207), (838, 21465), (954, 18855), (1257, 14310), (1431, 12570), (1590, 11313), (2095, 8586), (2385, 7542), (2514, 7155), (2862, 6285), (3771, 4770), (4190, 4293)]