18866240

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 112

約数和(自身を含む): 49377600

約数和(自身を除く): 30511360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 107, 116, 145, 152, 160, 190, 214, 232, 290, 304, 320, 380, 428, 464, 535, 551, 580, 608, 760, 856, 928, 1070, 1102, 1160, 1216, 1520, 1712, 1856, 2033, 2140, 2204, 2320, 2755, 3040, 3103, 3424, 4066, 4280, 4408, 4640, 5510, 6080, 6206, 6848, 8132, 8560, 8816, 9280, 10165, 11020, 12412, 15515, 16264, 17120, 17632, 20330, 22040, 24824, 31030, 32528, 34240, 35264, 40660, 44080, 49648, 58957, 62060, 65056, 81320, 88160, 99296, 117914, 124120, 130112, 162640, 176320, 198592, 235828, 248240, 294785, 325280, 471656, 496480, 589570, 650560, 943312, 992960, 1179140, 1886624, 2358280, 3773248, 4716560, 9433120, 18866240]

約数ペア:

[(1, 18866240), (2, 9433120), (4, 4716560), (5, 3773248), (8, 2358280), (10, 1886624), (16, 1179140), (19, 992960), (20, 943312), (29, 650560), (32, 589570), (38, 496480), (40, 471656), (58, 325280), (64, 294785), (76, 248240), (80, 235828), (95, 198592), (107, 176320), (116, 162640), (145, 130112), (152, 124120), (160, 117914), (190, 99296), (214, 88160), (232, 81320), (290, 65056), (304, 62060), (320, 58957), (380, 49648), (428, 44080), (464, 40660), (535, 35264), (551, 34240), (580, 32528), (608, 31030), (760, 24824), (856, 22040), (928, 20330), (1070, 17632), (1102, 17120), (1160, 16264), (1216, 15515), (1520, 12412), (1712, 11020), (1856, 10165), (2033, 9280), (2140, 8816), (2204, 8560), (2320, 8132), (2755, 6848), (3040, 6206), (3103, 6080), (3424, 5510), (4066, 4640), (4280, 4408)]