18111750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 128

約数和(自身を含む): 50319360

約数和(自身を除く): 32207610

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 31, 38, 41, 50, 57, 62, 75, 82, 93, 95, 114, 123, 125, 150, 155, 186, 190, 205, 246, 250, 285, 310, 375, 410, 465, 475, 570, 589, 615, 750, 775, 779, 930, 950, 1025, 1178, 1230, 1271, 1425, 1550, 1558, 1767, 2050, 2325, 2337, 2375, 2542, 2850, 2945, 3075, 3534, 3813, 3875, 3895, 4650, 4674, 4750, 5125, 5890, 6150, 6355, 7125, 7626, 7750, 7790, 8835, 10250, 11625, 11685, 12710, 14250, 14725, 15375, 17670, 19065, 19475, 23250, 23370, 24149, 29450, 30750, 31775, 38130, 38950, 44175, 48298, 58425, 63550, 72447, 73625, 88350, 95325, 97375, 116850, 120745, 144894, 147250, 158875, 190650, 194750, 220875, 241490, 292125, 317750, 362235, 441750, 476625, 584250, 603725, 724470, 953250, 1207450, 1811175, 3018625, 3622350, 6037250, 9055875, 18111750]

約数ペア:

[(1, 18111750), (2, 9055875), (3, 6037250), (5, 3622350), (6, 3018625), (10, 1811175), (15, 1207450), (19, 953250), (25, 724470), (30, 603725), (31, 584250), (38, 476625), (41, 441750), (50, 362235), (57, 317750), (62, 292125), (75, 241490), (82, 220875), (93, 194750), (95, 190650), (114, 158875), (123, 147250), (125, 144894), (150, 120745), (155, 116850), (186, 97375), (190, 95325), (205, 88350), (246, 73625), (250, 72447), (285, 63550), (310, 58425), (375, 48298), (410, 44175), (465, 38950), (475, 38130), (570, 31775), (589, 30750), (615, 29450), (750, 24149), (775, 23370), (779, 23250), (930, 19475), (950, 19065), (1025, 17670), (1178, 15375), (1230, 14725), (1271, 14250), (1425, 12710), (1550, 11685), (1558, 11625), (1767, 10250), (2050, 8835), (2325, 7790), (2337, 7750), (2375, 7626), (2542, 7125), (2850, 6355), (2945, 6150), (3075, 5890), (3534, 5125), (3813, 4750), (3875, 4674), (3895, 4650)]