18747680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:922

約数の個数: 96

約数和(自身を含む): 53343360

約数和(自身を除く): 34595680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 881, 1064, 1120, 1330, 1520, 1762, 2128, 2660, 3040, 3524, 4256, 4405, 5320, 6167, 7048, 8810, 10640, 12334, 14096, 16739, 17620, 21280, 24668, 28192, 30835, 33478, 35240, 49336, 61670, 66956, 70480, 83695, 98672, 117173, 123340, 133912, 140960, 167390, 197344, 234346, 246680, 267824, 334780, 468692, 493360, 535648, 585865, 669560, 937384, 986720, 1171730, 1339120, 1874768, 2343460, 2678240, 3749536, 4686920, 9373840, 18747680]

約数ペア:

[(1, 18747680), (2, 9373840), (4, 4686920), (5, 3749536), (7, 2678240), (8, 2343460), (10, 1874768), (14, 1339120), (16, 1171730), (19, 986720), (20, 937384), (28, 669560), (32, 585865), (35, 535648), (38, 493360), (40, 468692), (56, 334780), (70, 267824), (76, 246680), (80, 234346), (95, 197344), (112, 167390), (133, 140960), (140, 133912), (152, 123340), (160, 117173), (190, 98672), (224, 83695), (266, 70480), (280, 66956), (304, 61670), (380, 49336), (532, 35240), (560, 33478), (608, 30835), (665, 28192), (760, 24668), (881, 21280), (1064, 17620), (1120, 16739), (1330, 14096), (1520, 12334), (1762, 10640), (2128, 8810), (2660, 7048), (3040, 6167), (3524, 5320), (4256, 4405)]