19451652860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2203}}^1\times {\mathrm{10267}}^1$

素因数の和:12522

約数の個数: 48

約数和(自身を含む): 41821481856

約数和(自身を除く): 22369828996

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2203, 4406, 8812, 10267, 11015, 20534, 22030, 41068, 44060, 51335, 94729, 102670, 189458, 205340, 378916, 441481, 473645, 882962, 947290, 1765924, 1894580, 2207405, 4414810, 8829620, 22618201, 45236402, 90472804, 113091005, 226182010, 452364020, 972582643, 1945165286, 3890330572, 4862913215, 9725826430, 19451652860]

約数ペア:

[(1, 19451652860), (2, 9725826430), (4, 4862913215), (5, 3890330572), (10, 1945165286), (20, 972582643), (43, 452364020), (86, 226182010), (172, 113091005), (215, 90472804), (430, 45236402), (860, 22618201), (2203, 8829620), (4406, 4414810), (8812, 2207405), (10267, 1894580), (11015, 1765924), (20534, 947290), (22030, 882962), (41068, 473645), (44060, 441481), (51335, 378916), (94729, 205340), (102670, 189458)]