19358080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 55080000

約数和(自身を除く): 35721920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 149, 160, 203, 224, 232, 280, 290, 298, 320, 406, 448, 464, 560, 580, 596, 640, 745, 812, 896, 928, 1015, 1043, 1120, 1160, 1192, 1490, 1624, 1856, 2030, 2086, 2240, 2320, 2384, 2980, 3248, 3712, 4060, 4172, 4321, 4480, 4640, 4768, 5215, 5960, 6496, 8120, 8344, 8642, 9280, 9536, 10430, 11920, 12992, 16240, 16688, 17284, 18560, 19072, 20860, 21605, 23840, 25984, 30247, 32480, 33376, 34568, 41720, 43210, 47680, 60494, 64960, 66752, 69136, 83440, 86420, 95360, 120988, 129920, 133504, 138272, 151235, 166880, 172840, 241976, 276544, 302470, 333760, 345680, 483952, 553088, 604940, 667520, 691360, 967904, 1209880, 1382720, 1935808, 2419760, 2765440, 3871616, 4839520, 9679040, 19358080]

約数ペア:

[(1, 19358080), (2, 9679040), (4, 4839520), (5, 3871616), (7, 2765440), (8, 2419760), (10, 1935808), (14, 1382720), (16, 1209880), (20, 967904), (28, 691360), (29, 667520), (32, 604940), (35, 553088), (40, 483952), (56, 345680), (58, 333760), (64, 302470), (70, 276544), (80, 241976), (112, 172840), (116, 166880), (128, 151235), (140, 138272), (145, 133504), (149, 129920), (160, 120988), (203, 95360), (224, 86420), (232, 83440), (280, 69136), (290, 66752), (298, 64960), (320, 60494), (406, 47680), (448, 43210), (464, 41720), (560, 34568), (580, 33376), (596, 32480), (640, 30247), (745, 25984), (812, 23840), (896, 21605), (928, 20860), (1015, 19072), (1043, 18560), (1120, 17284), (1160, 16688), (1192, 16240), (1490, 12992), (1624, 11920), (1856, 10430), (2030, 9536), (2086, 9280), (2240, 8642), (2320, 8344), (2384, 8120), (2980, 6496), (3248, 5960), (3712, 5215), (4060, 4768), (4172, 4640), (4321, 4480)]