2018201470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:290

約数の個数: 128

約数和(自身を含む): 4152591360

約数和(自身を除く): 2134389890

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 61, 67, 95, 113, 115, 122, 134, 190, 226, 230, 305, 335, 437, 565, 610, 670, 874, 1130, 1159, 1273, 1403, 1541, 2147, 2185, 2318, 2546, 2599, 2806, 3082, 4087, 4294, 4370, 5198, 5795, 6365, 6893, 7015, 7571, 7705, 8174, 10735, 11590, 12730, 12995, 13786, 14030, 15142, 15410, 20435, 21470, 25990, 26657, 29279, 34465, 37855, 40870, 49381, 53314, 58558, 68930, 75710, 77653, 94001, 98762, 130967, 133285, 143849, 146395, 155306, 158539, 174133, 188002, 246905, 261934, 266570, 287698, 292790, 317078, 348266, 388265, 461831, 470005, 493810, 654835, 719245, 776530, 792695, 870665, 923662, 940010, 1309670, 1438490, 1585390, 1741330, 1786019, 2309155, 3012241, 3308527, 3572038, 4618310, 6024482, 6617054, 8774789, 8930095, 10622113, 15061205, 16542635, 17549578, 17860190, 21244226, 30122410, 33085270, 43873945, 53110565, 87747890, 106221130, 201820147, 403640294, 1009100735, 2018201470]

約数ペア:

[(1, 2018201470), (2, 1009100735), (5, 403640294), (10, 201820147), (19, 106221130), (23, 87747890), (38, 53110565), (46, 43873945), (61, 33085270), (67, 30122410), (95, 21244226), (113, 17860190), (115, 17549578), (122, 16542635), (134, 15061205), (190, 10622113), (226, 8930095), (230, 8774789), (305, 6617054), (335, 6024482), (437, 4618310), (565, 3572038), (610, 3308527), (670, 3012241), (874, 2309155), (1130, 1786019), (1159, 1741330), (1273, 1585390), (1403, 1438490), (1541, 1309670), (2147, 940010), (2185, 923662), (2318, 870665), (2546, 792695), (2599, 776530), (2806, 719245), (3082, 654835), (4087, 493810), (4294, 470005), (4370, 461831), (5198, 388265), (5795, 348266), (6365, 317078), (6893, 292790), (7015, 287698), (7571, 266570), (7705, 261934), (8174, 246905), (10735, 188002), (11590, 174133), (12730, 158539), (12995, 155306), (13786, 146395), (14030, 143849), (15142, 133285), (15410, 130967), (20435, 98762), (21470, 94001), (25990, 77653), (26657, 75710), (29279, 68930), (34465, 58558), (37855, 53314), (40870, 49381)]