19508040

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{223}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 66124800

約数和(自身を除く): 46616760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 223, 243, 270, 324, 360, 405, 446, 486, 540, 648, 669, 729, 810, 892, 972, 1080, 1115, 1215, 1338, 1458, 1620, 1784, 1944, 2007, 2187, 2230, 2430, 2676, 2916, 3240, 3345, 3645, 4014, 4374, 4460, 4860, 5352, 5832, 6021, 6690, 7290, 8028, 8748, 8920, 9720, 10035, 10935, 12042, 13380, 14580, 16056, 17496, 18063, 20070, 21870, 24084, 26760, 29160, 30105, 36126, 40140, 43740, 48168, 54189, 60210, 72252, 80280, 87480, 90315, 108378, 120420, 144504, 162567, 180630, 216756, 240840, 270945, 325134, 361260, 433512, 487701, 541890, 650268, 722520, 812835, 975402, 1083780, 1300536, 1625670, 1950804, 2167560, 2438505, 3251340, 3901608, 4877010, 6502680, 9754020, 19508040]

約数ペア:

[(1, 19508040), (2, 9754020), (3, 6502680), (4, 4877010), (5, 3901608), (6, 3251340), (8, 2438505), (9, 2167560), (10, 1950804), (12, 1625670), (15, 1300536), (18, 1083780), (20, 975402), (24, 812835), (27, 722520), (30, 650268), (36, 541890), (40, 487701), (45, 433512), (54, 361260), (60, 325134), (72, 270945), (81, 240840), (90, 216756), (108, 180630), (120, 162567), (135, 144504), (162, 120420), (180, 108378), (216, 90315), (223, 87480), (243, 80280), (270, 72252), (324, 60210), (360, 54189), (405, 48168), (446, 43740), (486, 40140), (540, 36126), (648, 30105), (669, 29160), (729, 26760), (810, 24084), (892, 21870), (972, 20070), (1080, 18063), (1115, 17496), (1215, 16056), (1338, 14580), (1458, 13380), (1620, 12042), (1784, 10935), (1944, 10035), (2007, 9720), (2187, 8920), (2230, 8748), (2430, 8028), (2676, 7290), (2916, 6690), (3240, 6021), (3345, 5832), (3645, 5352), (4014, 4860), (4374, 4460)]