19907250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 57507840

約数和(自身を除く): 37600590

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 25, 30, 33, 38, 50, 55, 57, 66, 75, 95, 110, 114, 125, 127, 150, 165, 190, 209, 250, 254, 275, 285, 330, 375, 381, 418, 475, 550, 570, 627, 635, 750, 762, 825, 950, 1045, 1254, 1270, 1375, 1397, 1425, 1650, 1905, 2090, 2375, 2413, 2750, 2794, 2850, 3135, 3175, 3810, 4125, 4191, 4750, 4826, 5225, 6270, 6350, 6985, 7125, 7239, 8250, 8382, 9525, 10450, 12065, 13970, 14250, 14478, 15675, 15875, 19050, 20955, 24130, 26125, 26543, 31350, 31750, 34925, 36195, 41910, 47625, 52250, 53086, 60325, 69850, 72390, 78375, 79629, 95250, 104775, 120650, 132715, 156750, 159258, 174625, 180975, 209550, 265430, 301625, 349250, 361950, 398145, 523875, 603250, 663575, 796290, 904875, 1047750, 1327150, 1809750, 1990725, 3317875, 3981450, 6635750, 9953625, 19907250]

約数ペア:

[(1, 19907250), (2, 9953625), (3, 6635750), (5, 3981450), (6, 3317875), (10, 1990725), (11, 1809750), (15, 1327150), (19, 1047750), (22, 904875), (25, 796290), (30, 663575), (33, 603250), (38, 523875), (50, 398145), (55, 361950), (57, 349250), (66, 301625), (75, 265430), (95, 209550), (110, 180975), (114, 174625), (125, 159258), (127, 156750), (150, 132715), (165, 120650), (190, 104775), (209, 95250), (250, 79629), (254, 78375), (275, 72390), (285, 69850), (330, 60325), (375, 53086), (381, 52250), (418, 47625), (475, 41910), (550, 36195), (570, 34925), (627, 31750), (635, 31350), (750, 26543), (762, 26125), (825, 24130), (950, 20955), (1045, 19050), (1254, 15875), (1270, 15675), (1375, 14478), (1397, 14250), (1425, 13970), (1650, 12065), (1905, 10450), (2090, 9525), (2375, 8382), (2413, 8250), (2750, 7239), (2794, 7125), (2850, 6985), (3135, 6350), (3175, 6270), (3810, 5225), (4125, 4826), (4191, 4750)]