1999395612

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{6689}}^1$

素因数の和:6760

約数の個数: 108

約数和(自身を含む): 5566775760

約数和(自身を除く): 3567380148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 361, 414, 437, 684, 722, 828, 874, 1083, 1311, 1444, 1748, 2166, 2622, 3249, 3933, 4332, 5244, 6498, 6689, 7866, 8303, 12996, 13378, 15732, 16606, 20067, 24909, 26756, 33212, 40134, 49818, 60201, 74727, 80268, 99636, 120402, 127091, 149454, 153847, 240804, 254182, 298908, 307694, 381273, 461541, 508364, 615388, 762546, 923082, 1143819, 1384623, 1525092, 1846164, 2287638, 2414729, 2769246, 2923093, 4575276, 4829458, 5538492, 5846186, 7244187, 8769279, 9658916, 11692372, 14488374, 17538558, 21732561, 26307837, 28976748, 35077116, 43465122, 52615674, 55538767, 86930244, 105231348, 111077534, 166616301, 222155068, 333232602, 499848903, 666465204, 999697806, 1999395612]

約数ペア:

[(1, 1999395612), (2, 999697806), (3, 666465204), (4, 499848903), (6, 333232602), (9, 222155068), (12, 166616301), (18, 111077534), (19, 105231348), (23, 86930244), (36, 55538767), (38, 52615674), (46, 43465122), (57, 35077116), (69, 28976748), (76, 26307837), (92, 21732561), (114, 17538558), (138, 14488374), (171, 11692372), (207, 9658916), (228, 8769279), (276, 7244187), (342, 5846186), (361, 5538492), (414, 4829458), (437, 4575276), (684, 2923093), (722, 2769246), (828, 2414729), (874, 2287638), (1083, 1846164), (1311, 1525092), (1444, 1384623), (1748, 1143819), (2166, 923082), (2622, 762546), (3249, 615388), (3933, 508364), (4332, 461541), (5244, 381273), (6498, 307694), (6689, 298908), (7866, 254182), (8303, 240804), (12996, 153847), (13378, 149454), (15732, 127091), (16606, 120402), (20067, 99636), (24909, 80268), (26756, 74727), (33212, 60201), (40134, 49818)]