18784160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 29478880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 74, 76, 80, 95, 148, 152, 160, 167, 185, 190, 296, 304, 334, 370, 380, 592, 608, 668, 703, 740, 760, 835, 1184, 1336, 1406, 1480, 1520, 1670, 2672, 2812, 2960, 3040, 3173, 3340, 3515, 5344, 5624, 5920, 6179, 6346, 6680, 7030, 11248, 12358, 12692, 13360, 14060, 15865, 22496, 24716, 25384, 26720, 28120, 30895, 31730, 49432, 50768, 56240, 61790, 63460, 98864, 101536, 112480, 117401, 123580, 126920, 197728, 234802, 247160, 253840, 469604, 494320, 507680, 587005, 939208, 988640, 1174010, 1878416, 2348020, 3756832, 4696040, 9392080, 18784160]

約数ペア:

[(1, 18784160), (2, 9392080), (4, 4696040), (5, 3756832), (8, 2348020), (10, 1878416), (16, 1174010), (19, 988640), (20, 939208), (32, 587005), (37, 507680), (38, 494320), (40, 469604), (74, 253840), (76, 247160), (80, 234802), (95, 197728), (148, 126920), (152, 123580), (160, 117401), (167, 112480), (185, 101536), (190, 98864), (296, 63460), (304, 61790), (334, 56240), (370, 50768), (380, 49432), (592, 31730), (608, 30895), (668, 28120), (703, 26720), (740, 25384), (760, 24716), (835, 22496), (1184, 15865), (1336, 14060), (1406, 13360), (1480, 12692), (1520, 12358), (1670, 11248), (2672, 7030), (2812, 6680), (2960, 6346), (3040, 6179), (3173, 5920), (3340, 5624), (3515, 5344)]