19266806660

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{27961}}^1$

素因数の和:28364

約数の個数: 48

約数和(自身を含む): 40925630592

約数和(自身を除く): 21658823932

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 263, 524, 526, 655, 1052, 1310, 1315, 2620, 2630, 5260, 27961, 34453, 55922, 68906, 111844, 137812, 139805, 172265, 279610, 344530, 559220, 689060, 3662891, 7325782, 7353743, 14651564, 14707486, 18314455, 29414972, 36628910, 36768715, 73257820, 73537430, 147074860, 963340333, 1926680666, 3853361332, 4816701665, 9633403330, 19266806660]

約数ペア:

[(1, 19266806660), (2, 9633403330), (4, 4816701665), (5, 3853361332), (10, 1926680666), (20, 963340333), (131, 147074860), (262, 73537430), (263, 73257820), (524, 36768715), (526, 36628910), (655, 29414972), (1052, 18314455), (1310, 14707486), (1315, 14651564), (2620, 7353743), (2630, 7325782), (5260, 3662891), (27961, 689060), (34453, 559220), (55922, 344530), (68906, 279610), (111844, 172265), (137812, 139805)]