2018205830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{133391}}^1$

素因数の和:133504

約数の個数: 32

約数和(自身を含む): 3889710720

約数和(自身を除く): 1871504890

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 7565, 15130, 133391, 266782, 666955, 1333910, 2267647, 4535294, 11338235, 11871799, 22676470, 23743598, 59358995, 118717990, 201820583, 403641166, 1009102915, 2018205830]

約数ペア:

[(1, 2018205830), (2, 1009102915), (5, 403641166), (10, 201820583), (17, 118717990), (34, 59358995), (85, 23743598), (89, 22676470), (170, 11871799), (178, 11338235), (445, 4535294), (890, 2267647), (1513, 1333910), (3026, 666955), (7565, 266782), (15130, 133391)]