18843040

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 29057120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 80, 116, 124, 131, 145, 155, 160, 232, 248, 262, 290, 310, 464, 496, 524, 580, 620, 655, 899, 928, 992, 1048, 1160, 1240, 1310, 1798, 2096, 2320, 2480, 2620, 3596, 3799, 4061, 4192, 4495, 4640, 4960, 5240, 7192, 7598, 8122, 8990, 10480, 14384, 15196, 16244, 17980, 18995, 20305, 20960, 28768, 30392, 32488, 35960, 37990, 40610, 60784, 64976, 71920, 75980, 81220, 117769, 121568, 129952, 143840, 151960, 162440, 235538, 303920, 324880, 471076, 588845, 607840, 649760, 942152, 1177690, 1884304, 2355380, 3768608, 4710760, 9421520, 18843040]

約数ペア:

[(1, 18843040), (2, 9421520), (4, 4710760), (5, 3768608), (8, 2355380), (10, 1884304), (16, 1177690), (20, 942152), (29, 649760), (31, 607840), (32, 588845), (40, 471076), (58, 324880), (62, 303920), (80, 235538), (116, 162440), (124, 151960), (131, 143840), (145, 129952), (155, 121568), (160, 117769), (232, 81220), (248, 75980), (262, 71920), (290, 64976), (310, 60784), (464, 40610), (496, 37990), (524, 35960), (580, 32488), (620, 30392), (655, 28768), (899, 20960), (928, 20305), (992, 18995), (1048, 17980), (1160, 16244), (1240, 15196), (1310, 14384), (1798, 10480), (2096, 8990), (2320, 8122), (2480, 7598), (2620, 7192), (3596, 5240), (3799, 4960), (4061, 4640), (4192, 4495)]