18824120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 52531200

約数和(自身を除く): 33707080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 79, 92, 115, 140, 148, 158, 161, 184, 185, 230, 259, 280, 296, 316, 322, 370, 395, 460, 518, 553, 632, 644, 740, 790, 805, 851, 920, 1036, 1106, 1288, 1295, 1480, 1580, 1610, 1702, 1817, 2072, 2212, 2590, 2765, 2923, 3160, 3220, 3404, 3634, 4255, 4424, 5180, 5530, 5846, 5957, 6440, 6808, 7268, 8510, 9085, 10360, 11060, 11692, 11914, 12719, 14536, 14615, 17020, 18170, 20461, 22120, 23384, 23828, 25438, 29230, 29785, 34040, 36340, 40922, 47656, 50876, 58460, 59570, 63595, 67229, 72680, 81844, 101752, 102305, 116920, 119140, 127190, 134458, 163688, 204610, 238280, 254380, 268916, 336145, 409220, 470603, 508760, 537832, 672290, 818440, 941206, 1344580, 1882412, 2353015, 2689160, 3764824, 4706030, 9412060, 18824120]

約数ペア:

[(1, 18824120), (2, 9412060), (4, 4706030), (5, 3764824), (7, 2689160), (8, 2353015), (10, 1882412), (14, 1344580), (20, 941206), (23, 818440), (28, 672290), (35, 537832), (37, 508760), (40, 470603), (46, 409220), (56, 336145), (70, 268916), (74, 254380), (79, 238280), (92, 204610), (115, 163688), (140, 134458), (148, 127190), (158, 119140), (161, 116920), (184, 102305), (185, 101752), (230, 81844), (259, 72680), (280, 67229), (296, 63595), (316, 59570), (322, 58460), (370, 50876), (395, 47656), (460, 40922), (518, 36340), (553, 34040), (632, 29785), (644, 29230), (740, 25438), (790, 23828), (805, 23384), (851, 22120), (920, 20461), (1036, 18170), (1106, 17020), (1288, 14615), (1295, 14536), (1480, 12719), (1580, 11914), (1610, 11692), (1702, 11060), (1817, 10360), (2072, 9085), (2212, 8510), (2590, 7268), (2765, 6808), (2923, 6440), (3160, 5957), (3220, 5846), (3404, 5530), (3634, 5180), (4255, 4424)]