19890150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1038

約数の個数: 96

約数和(自身を含む): 59400960

約数和(自身を除く): 39510810

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 133, 150, 175, 190, 210, 266, 285, 350, 399, 475, 525, 570, 665, 798, 950, 997, 1050, 1330, 1425, 1994, 1995, 2850, 2991, 3325, 3990, 4985, 5982, 6650, 6979, 9970, 9975, 13958, 14955, 18943, 19950, 20937, 24925, 29910, 34895, 37886, 41874, 49850, 56829, 69790, 74775, 94715, 104685, 113658, 132601, 149550, 174475, 189430, 209370, 265202, 284145, 348950, 397803, 473575, 523425, 568290, 663005, 795606, 947150, 1046850, 1326010, 1420725, 1989015, 2841450, 3315025, 3978030, 6630050, 9945075, 19890150]

約数ペア:

[(1, 19890150), (2, 9945075), (3, 6630050), (5, 3978030), (6, 3315025), (7, 2841450), (10, 1989015), (14, 1420725), (15, 1326010), (19, 1046850), (21, 947150), (25, 795606), (30, 663005), (35, 568290), (38, 523425), (42, 473575), (50, 397803), (57, 348950), (70, 284145), (75, 265202), (95, 209370), (105, 189430), (114, 174475), (133, 149550), (150, 132601), (175, 113658), (190, 104685), (210, 94715), (266, 74775), (285, 69790), (350, 56829), (399, 49850), (475, 41874), (525, 37886), (570, 34895), (665, 29910), (798, 24925), (950, 20937), (997, 19950), (1050, 18943), (1330, 14955), (1425, 13958), (1994, 9975), (1995, 9970), (2850, 6979), (2991, 6650), (3325, 5982), (3990, 4985)]