18546710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 41731200

約数和(自身を除く): 23184490

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 89, 91, 130, 178, 182, 229, 445, 455, 458, 623, 890, 910, 1145, 1157, 1246, 1603, 2290, 2314, 2977, 3115, 3206, 5785, 5954, 6230, 8015, 8099, 11570, 14885, 16030, 16198, 20381, 20839, 29770, 40495, 40762, 41678, 80990, 101905, 104195, 142667, 203810, 208390, 264953, 285334, 529906, 713335, 1324765, 1426670, 1854671, 2649530, 3709342, 9273355, 18546710]

約数ペア:

[(1, 18546710), (2, 9273355), (5, 3709342), (7, 2649530), (10, 1854671), (13, 1426670), (14, 1324765), (26, 713335), (35, 529906), (65, 285334), (70, 264953), (89, 208390), (91, 203810), (130, 142667), (178, 104195), (182, 101905), (229, 80990), (445, 41678), (455, 40762), (458, 40495), (623, 29770), (890, 20839), (910, 20381), (1145, 16198), (1157, 16030), (1246, 14885), (1603, 11570), (2290, 8099), (2314, 8015), (2977, 6230), (3115, 5954), (3206, 5785)]