19549920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:285

約数の個数: 144

約数和(自身を含む): 66960432

約数和(自身を除く): 47410512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 241, 260, 312, 338, 390, 416, 480, 482, 507, 520, 624, 676, 723, 780, 845, 964, 1014, 1040, 1205, 1248, 1352, 1446, 1560, 1690, 1928, 2028, 2080, 2410, 2535, 2704, 2892, 3120, 3133, 3380, 3615, 3856, 4056, 4820, 5070, 5408, 5784, 6240, 6266, 6760, 7230, 7712, 8112, 9399, 9640, 10140, 11568, 12532, 13520, 14460, 15665, 16224, 18798, 19280, 20280, 23136, 25064, 27040, 28920, 31330, 37596, 38560, 40560, 40729, 46995, 50128, 57840, 62660, 75192, 81120, 81458, 93990, 100256, 115680, 122187, 125320, 150384, 162916, 187980, 203645, 244374, 250640, 300768, 325832, 375960, 407290, 488748, 501280, 610935, 651664, 751920, 814580, 977496, 1221870, 1303328, 1503840, 1629160, 1954992, 2443740, 3258320, 3909984, 4887480, 6516640, 9774960, 19549920]

約数ペア:

[(1, 19549920), (2, 9774960), (3, 6516640), (4, 4887480), (5, 3909984), (6, 3258320), (8, 2443740), (10, 1954992), (12, 1629160), (13, 1503840), (15, 1303328), (16, 1221870), (20, 977496), (24, 814580), (26, 751920), (30, 651664), (32, 610935), (39, 501280), (40, 488748), (48, 407290), (52, 375960), (60, 325832), (65, 300768), (78, 250640), (80, 244374), (96, 203645), (104, 187980), (120, 162916), (130, 150384), (156, 125320), (160, 122187), (169, 115680), (195, 100256), (208, 93990), (240, 81458), (241, 81120), (260, 75192), (312, 62660), (338, 57840), (390, 50128), (416, 46995), (480, 40729), (482, 40560), (507, 38560), (520, 37596), (624, 31330), (676, 28920), (723, 27040), (780, 25064), (845, 23136), (964, 20280), (1014, 19280), (1040, 18798), (1205, 16224), (1248, 15665), (1352, 14460), (1446, 13520), (1560, 12532), (1690, 11568), (1928, 10140), (2028, 9640), (2080, 9399), (2410, 8112), (2535, 7712), (2704, 7230), (2892, 6760), (3120, 6266), (3133, 6240), (3380, 5784), (3615, 5408), (3856, 5070), (4056, 4820)]