18964560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2549}}^1$

素因数の和:2596

約数の個数: 80

約数和(自身を含む): 60710400

約数和(自身を除く): 41745840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2549, 3720, 5098, 7440, 7647, 10196, 12745, 15294, 20392, 25490, 30588, 38235, 40784, 50980, 61176, 76470, 79019, 101960, 122352, 152940, 158038, 203920, 237057, 305880, 316076, 395095, 474114, 611760, 632152, 790190, 948228, 1185285, 1264304, 1580380, 1896456, 2370570, 3160760, 3792912, 4741140, 6321520, 9482280, 18964560]

約数ペア:

[(1, 18964560), (2, 9482280), (3, 6321520), (4, 4741140), (5, 3792912), (6, 3160760), (8, 2370570), (10, 1896456), (12, 1580380), (15, 1264304), (16, 1185285), (20, 948228), (24, 790190), (30, 632152), (31, 611760), (40, 474114), (48, 395095), (60, 316076), (62, 305880), (80, 237057), (93, 203920), (120, 158038), (124, 152940), (155, 122352), (186, 101960), (240, 79019), (248, 76470), (310, 61176), (372, 50980), (465, 40784), (496, 38235), (620, 30588), (744, 25490), (930, 20392), (1240, 15294), (1488, 12745), (1860, 10196), (2480, 7647), (2549, 7440), (3720, 5098)]