18713120

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 47401200

約数和(自身を除く): 28688080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 74, 80, 109, 116, 145, 148, 160, 185, 218, 232, 290, 296, 370, 436, 464, 545, 580, 592, 740, 872, 928, 1073, 1090, 1160, 1184, 1480, 1744, 2146, 2180, 2320, 2960, 3161, 3488, 4033, 4292, 4360, 4640, 5365, 5920, 6322, 8066, 8584, 8720, 10730, 12644, 15805, 16132, 17168, 17440, 20165, 21460, 25288, 31610, 32264, 34336, 40330, 42920, 50576, 63220, 64528, 80660, 85840, 101152, 116957, 126440, 129056, 161320, 171680, 233914, 252880, 322640, 467828, 505760, 584785, 645280, 935656, 1169570, 1871312, 2339140, 3742624, 4678280, 9356560, 18713120]

約数ペア:

[(1, 18713120), (2, 9356560), (4, 4678280), (5, 3742624), (8, 2339140), (10, 1871312), (16, 1169570), (20, 935656), (29, 645280), (32, 584785), (37, 505760), (40, 467828), (58, 322640), (74, 252880), (80, 233914), (109, 171680), (116, 161320), (145, 129056), (148, 126440), (160, 116957), (185, 101152), (218, 85840), (232, 80660), (290, 64528), (296, 63220), (370, 50576), (436, 42920), (464, 40330), (545, 34336), (580, 32264), (592, 31610), (740, 25288), (872, 21460), (928, 20165), (1073, 17440), (1090, 17168), (1160, 16132), (1184, 15805), (1480, 12644), (1744, 10730), (2146, 8720), (2180, 8584), (2320, 8066), (2960, 6322), (3161, 5920), (3488, 5365), (4033, 4640), (4292, 4360)]