19711350

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:212

約数の個数: 120

約数和(自身を含む): 56895168

約数和(自身を除く): 37183818

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 81, 90, 93, 135, 150, 155, 157, 162, 186, 225, 270, 279, 310, 314, 405, 450, 465, 471, 558, 675, 775, 785, 810, 837, 930, 942, 1350, 1395, 1413, 1550, 1570, 1674, 2025, 2325, 2355, 2511, 2790, 2826, 3925, 4050, 4185, 4239, 4650, 4710, 4867, 5022, 6975, 7065, 7850, 8370, 8478, 9734, 11775, 12555, 12717, 13950, 14130, 14601, 20925, 21195, 23550, 24335, 25110, 25434, 29202, 35325, 41850, 42390, 43803, 48670, 62775, 63585, 70650, 73005, 87606, 105975, 121675, 125550, 127170, 131409, 146010, 211950, 219015, 243350, 262818, 317925, 365025, 394227, 438030, 635850, 657045, 730050, 788454, 1095075, 1314090, 1971135, 2190150, 3285225, 3942270, 6570450, 9855675, 19711350]

約数ペア:

[(1, 19711350), (2, 9855675), (3, 6570450), (5, 3942270), (6, 3285225), (9, 2190150), (10, 1971135), (15, 1314090), (18, 1095075), (25, 788454), (27, 730050), (30, 657045), (31, 635850), (45, 438030), (50, 394227), (54, 365025), (62, 317925), (75, 262818), (81, 243350), (90, 219015), (93, 211950), (135, 146010), (150, 131409), (155, 127170), (157, 125550), (162, 121675), (186, 105975), (225, 87606), (270, 73005), (279, 70650), (310, 63585), (314, 62775), (405, 48670), (450, 43803), (465, 42390), (471, 41850), (558, 35325), (675, 29202), (775, 25434), (785, 25110), (810, 24335), (837, 23550), (930, 21195), (942, 20925), (1350, 14601), (1395, 14130), (1413, 13950), (1550, 12717), (1570, 12555), (1674, 11775), (2025, 9734), (2325, 8478), (2355, 8370), (2511, 7850), (2790, 7065), (2826, 6975), (3925, 5022), (4050, 4867), (4185, 4710), (4239, 4650)]