18393669020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{2143}}^1$

素因数の和:2619

約数の個数: 96

約数和(自身を含む): 41286647808

約数和(自身を除く): 22892978788

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 397, 460, 470, 794, 940, 1081, 1588, 1985, 2143, 2162, 3970, 4286, 4324, 5405, 7940, 8572, 9131, 10715, 10810, 18262, 18659, 21430, 21620, 36524, 37318, 42860, 45655, 49289, 74636, 91310, 93295, 98578, 100721, 182620, 186590, 197156, 201442, 246445, 373180, 402884, 429157, 492890, 503605, 850771, 858314, 985780, 1007210, 1701542, 1716628, 2014420, 2145785, 2316583, 3403084, 4253855, 4291570, 4633166, 8507710, 8583140, 9266332, 11582915, 17015420, 19567733, 23165830, 39135466, 39986237, 46331660, 78270932, 79972474, 97838665, 159944948, 195677330, 199931185, 391354660, 399862370, 799724740, 919683451, 1839366902, 3678733804, 4598417255, 9196834510, 18393669020]

約数ペア:

[(1, 18393669020), (2, 9196834510), (4, 4598417255), (5, 3678733804), (10, 1839366902), (20, 919683451), (23, 799724740), (46, 399862370), (47, 391354660), (92, 199931185), (94, 195677330), (115, 159944948), (188, 97838665), (230, 79972474), (235, 78270932), (397, 46331660), (460, 39986237), (470, 39135466), (794, 23165830), (940, 19567733), (1081, 17015420), (1588, 11582915), (1985, 9266332), (2143, 8583140), (2162, 8507710), (3970, 4633166), (4286, 4291570), (4324, 4253855), (5405, 3403084), (7940, 2316583), (8572, 2145785), (9131, 2014420), (10715, 1716628), (10810, 1701542), (18262, 1007210), (18659, 985780), (21430, 858314), (21620, 850771), (36524, 503605), (37318, 492890), (42860, 429157), (45655, 402884), (49289, 373180), (74636, 246445), (91310, 201442), (93295, 197156), (98578, 186590), (100721, 182620)]