18681750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:84

約数の個数: 144

約数和(自身を含む): 55632096

約数和(自身を除く): 36950346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 23, 25, 30, 38, 45, 46, 50, 57, 69, 75, 90, 95, 114, 115, 125, 138, 150, 171, 190, 207, 225, 230, 250, 285, 342, 345, 361, 375, 414, 437, 450, 475, 570, 575, 690, 722, 750, 855, 874, 950, 1035, 1083, 1125, 1150, 1311, 1425, 1710, 1725, 1805, 2070, 2166, 2185, 2250, 2375, 2622, 2850, 2875, 3249, 3450, 3610, 3933, 4275, 4370, 4750, 5175, 5415, 5750, 6498, 6555, 7125, 7866, 8303, 8550, 8625, 9025, 10350, 10830, 10925, 13110, 14250, 16245, 16606, 17250, 18050, 19665, 21375, 21850, 24909, 25875, 27075, 32490, 32775, 39330, 41515, 42750, 45125, 49818, 51750, 54150, 54625, 65550, 74727, 81225, 83030, 90250, 98325, 109250, 124545, 135375, 149454, 162450, 163875, 196650, 207575, 249090, 270750, 327750, 373635, 406125, 415150, 491625, 622725, 747270, 812250, 983250, 1037875, 1245450, 1868175, 2075750, 3113625, 3736350, 6227250, 9340875, 18681750]

約数ペア:

[(1, 18681750), (2, 9340875), (3, 6227250), (5, 3736350), (6, 3113625), (9, 2075750), (10, 1868175), (15, 1245450), (18, 1037875), (19, 983250), (23, 812250), (25, 747270), (30, 622725), (38, 491625), (45, 415150), (46, 406125), (50, 373635), (57, 327750), (69, 270750), (75, 249090), (90, 207575), (95, 196650), (114, 163875), (115, 162450), (125, 149454), (138, 135375), (150, 124545), (171, 109250), (190, 98325), (207, 90250), (225, 83030), (230, 81225), (250, 74727), (285, 65550), (342, 54625), (345, 54150), (361, 51750), (375, 49818), (414, 45125), (437, 42750), (450, 41515), (475, 39330), (570, 32775), (575, 32490), (690, 27075), (722, 25875), (750, 24909), (855, 21850), (874, 21375), (950, 19665), (1035, 18050), (1083, 17250), (1125, 16606), (1150, 16245), (1311, 14250), (1425, 13110), (1710, 10925), (1725, 10830), (1805, 10350), (2070, 9025), (2166, 8625), (2185, 8550), (2250, 8303), (2375, 7866), (2622, 7125), (2850, 6555), (2875, 6498), (3249, 5750), (3450, 5415), (3610, 5175), (3933, 4750), (4275, 4370)]