19675980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 96

約数和(自身を含む): 62092800

約数和(自身を除く): 42416820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 83, 90, 108, 135, 166, 180, 249, 270, 332, 415, 439, 498, 540, 747, 830, 878, 996, 1245, 1317, 1494, 1660, 1756, 2195, 2241, 2490, 2634, 2988, 3735, 3951, 4390, 4482, 4980, 5268, 6585, 7470, 7902, 8780, 8964, 11205, 11853, 13170, 14940, 15804, 19755, 22410, 23706, 26340, 36437, 39510, 44820, 47412, 59265, 72874, 79020, 109311, 118530, 145748, 182185, 218622, 237060, 327933, 364370, 437244, 546555, 655866, 728740, 983799, 1093110, 1311732, 1639665, 1967598, 2186220, 3279330, 3935196, 4918995, 6558660, 9837990, 19675980]

約数ペア:

[(1, 19675980), (2, 9837990), (3, 6558660), (4, 4918995), (5, 3935196), (6, 3279330), (9, 2186220), (10, 1967598), (12, 1639665), (15, 1311732), (18, 1093110), (20, 983799), (27, 728740), (30, 655866), (36, 546555), (45, 437244), (54, 364370), (60, 327933), (83, 237060), (90, 218622), (108, 182185), (135, 145748), (166, 118530), (180, 109311), (249, 79020), (270, 72874), (332, 59265), (415, 47412), (439, 44820), (498, 39510), (540, 36437), (747, 26340), (830, 23706), (878, 22410), (996, 19755), (1245, 15804), (1317, 14940), (1494, 13170), (1660, 11853), (1756, 11205), (2195, 8964), (2241, 8780), (2490, 7902), (2634, 7470), (2988, 6585), (3735, 5268), (3951, 4980), (4390, 4482)]