18656480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^3$

素因数の和:89

約数の個数: 96

約数和(自身を含む): 49260960

約数和(自身を除く): 30604480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 361, 380, 544, 608, 646, 680, 722, 760, 1292, 1360, 1444, 1520, 1615, 1805, 2584, 2720, 2888, 3040, 3230, 3610, 5168, 5776, 6137, 6460, 6859, 7220, 10336, 11552, 12274, 12920, 13718, 14440, 24548, 25840, 27436, 28880, 30685, 34295, 49096, 51680, 54872, 57760, 61370, 68590, 98192, 109744, 116603, 122740, 137180, 196384, 219488, 233206, 245480, 274360, 466412, 490960, 548720, 583015, 932824, 981920, 1097440, 1166030, 1865648, 2332060, 3731296, 4664120, 9328240, 18656480]

約数ペア:

[(1, 18656480), (2, 9328240), (4, 4664120), (5, 3731296), (8, 2332060), (10, 1865648), (16, 1166030), (17, 1097440), (19, 981920), (20, 932824), (32, 583015), (34, 548720), (38, 490960), (40, 466412), (68, 274360), (76, 245480), (80, 233206), (85, 219488), (95, 196384), (136, 137180), (152, 122740), (160, 116603), (170, 109744), (190, 98192), (272, 68590), (304, 61370), (323, 57760), (340, 54872), (361, 51680), (380, 49096), (544, 34295), (608, 30685), (646, 28880), (680, 27436), (722, 25840), (760, 24548), (1292, 14440), (1360, 13718), (1444, 12920), (1520, 12274), (1615, 11552), (1805, 10336), (2584, 7220), (2720, 6859), (2888, 6460), (3040, 6137), (3230, 5776), (3610, 5168)]