19494800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 120

約数和(自身を含む): 52954944

約数和(自身を除く): 33460144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 40, 46, 50, 52, 65, 80, 92, 100, 104, 115, 130, 163, 184, 200, 208, 230, 260, 299, 325, 326, 368, 400, 460, 520, 575, 598, 650, 652, 815, 920, 1040, 1150, 1196, 1300, 1304, 1495, 1630, 1840, 2119, 2300, 2392, 2600, 2608, 2990, 3260, 3749, 4075, 4238, 4600, 4784, 5200, 5980, 6520, 7475, 7498, 8150, 8476, 9200, 10595, 11960, 13040, 14950, 14996, 16300, 16952, 18745, 21190, 23920, 29900, 29992, 32600, 33904, 37490, 42380, 48737, 52975, 59800, 59984, 65200, 74980, 84760, 93725, 97474, 105950, 119600, 149960, 169520, 187450, 194948, 211900, 243685, 299920, 374900, 389896, 423800, 487370, 749800, 779792, 847600, 974740, 1218425, 1499600, 1949480, 2436850, 3898960, 4873700, 9747400, 19494800]

約数ペア:

[(1, 19494800), (2, 9747400), (4, 4873700), (5, 3898960), (8, 2436850), (10, 1949480), (13, 1499600), (16, 1218425), (20, 974740), (23, 847600), (25, 779792), (26, 749800), (40, 487370), (46, 423800), (50, 389896), (52, 374900), (65, 299920), (80, 243685), (92, 211900), (100, 194948), (104, 187450), (115, 169520), (130, 149960), (163, 119600), (184, 105950), (200, 97474), (208, 93725), (230, 84760), (260, 74980), (299, 65200), (325, 59984), (326, 59800), (368, 52975), (400, 48737), (460, 42380), (520, 37490), (575, 33904), (598, 32600), (650, 29992), (652, 29900), (815, 23920), (920, 21190), (1040, 18745), (1150, 16952), (1196, 16300), (1300, 14996), (1304, 14950), (1495, 13040), (1630, 11960), (1840, 10595), (2119, 9200), (2300, 8476), (2392, 8150), (2600, 7498), (2608, 7475), (2990, 6520), (3260, 5980), (3749, 5200), (4075, 4784), (4238, 4600)]