18808480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 30180320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 269, 304, 368, 380, 437, 460, 538, 608, 736, 760, 874, 920, 1076, 1345, 1520, 1748, 1840, 2152, 2185, 2690, 3040, 3496, 3680, 4304, 4370, 5111, 5380, 6187, 6992, 8608, 8740, 10222, 10760, 12374, 13984, 17480, 20444, 21520, 24748, 25555, 30935, 34960, 40888, 43040, 49496, 51110, 61870, 69920, 81776, 98992, 102220, 117553, 123740, 163552, 197984, 204440, 235106, 247480, 408880, 470212, 494960, 587765, 817760, 940424, 989920, 1175530, 1880848, 2351060, 3761696, 4702120, 9404240, 18808480]

約数ペア:

[(1, 18808480), (2, 9404240), (4, 4702120), (5, 3761696), (8, 2351060), (10, 1880848), (16, 1175530), (19, 989920), (20, 940424), (23, 817760), (32, 587765), (38, 494960), (40, 470212), (46, 408880), (76, 247480), (80, 235106), (92, 204440), (95, 197984), (115, 163552), (152, 123740), (160, 117553), (184, 102220), (190, 98992), (230, 81776), (269, 69920), (304, 61870), (368, 51110), (380, 49496), (437, 43040), (460, 40888), (538, 34960), (608, 30935), (736, 25555), (760, 24748), (874, 21520), (920, 20444), (1076, 17480), (1345, 13984), (1520, 12374), (1748, 10760), (1840, 10222), (2152, 8740), (2185, 8608), (2690, 6992), (3040, 6187), (3496, 5380), (3680, 5111), (4304, 4370)]