18619510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 43666560

約数和(自身を除く): 25047050

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 37, 49, 65, 70, 74, 79, 91, 98, 130, 158, 182, 185, 245, 259, 370, 395, 455, 481, 490, 518, 553, 637, 790, 910, 962, 1027, 1106, 1274, 1295, 1813, 2054, 2405, 2590, 2765, 2923, 3185, 3367, 3626, 3871, 4810, 5135, 5530, 5846, 6370, 6734, 7189, 7742, 9065, 10270, 14378, 14615, 16835, 18130, 19355, 20461, 23569, 29230, 33670, 35945, 37999, 38710, 40922, 47138, 50323, 71890, 75998, 100646, 102305, 117845, 143227, 189995, 204610, 235690, 251615, 265993, 286454, 379990, 503230, 531986, 716135, 1329965, 1432270, 1861951, 2659930, 3723902, 9309755, 18619510]

約数ペア:

[(1, 18619510), (2, 9309755), (5, 3723902), (7, 2659930), (10, 1861951), (13, 1432270), (14, 1329965), (26, 716135), (35, 531986), (37, 503230), (49, 379990), (65, 286454), (70, 265993), (74, 251615), (79, 235690), (91, 204610), (98, 189995), (130, 143227), (158, 117845), (182, 102305), (185, 100646), (245, 75998), (259, 71890), (370, 50323), (395, 47138), (455, 40922), (481, 38710), (490, 37999), (518, 35945), (553, 33670), (637, 29230), (790, 23569), (910, 20461), (962, 19355), (1027, 18130), (1106, 16835), (1274, 14615), (1295, 14378), (1813, 10270), (2054, 9065), (2405, 7742), (2590, 7189), (2765, 6734), (2923, 6370), (3185, 5846), (3367, 5530), (3626, 5135), (3871, 4810)]