19109520

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{983}}^1$

素因数の和:1011

約数の個数: 120

約数和(自身を含む): 66620736

約数和(自身を除く): 47511216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 983, 1080, 1215, 1296, 1620, 1944, 1966, 2160, 2430, 2949, 3240, 3888, 3932, 4860, 4915, 5898, 6480, 7864, 8847, 9720, 9830, 11796, 14745, 15728, 17694, 19440, 19660, 23592, 26541, 29490, 35388, 39320, 44235, 47184, 53082, 58980, 70776, 78640, 79623, 88470, 106164, 117960, 132705, 141552, 159246, 176940, 212328, 235920, 238869, 265410, 318492, 353880, 398115, 424656, 477738, 530820, 636984, 707760, 796230, 955476, 1061640, 1194345, 1273968, 1592460, 1910952, 2123280, 2388690, 3184920, 3821904, 4777380, 6369840, 9554760, 19109520]

約数ペア:

[(1, 19109520), (2, 9554760), (3, 6369840), (4, 4777380), (5, 3821904), (6, 3184920), (8, 2388690), (9, 2123280), (10, 1910952), (12, 1592460), (15, 1273968), (16, 1194345), (18, 1061640), (20, 955476), (24, 796230), (27, 707760), (30, 636984), (36, 530820), (40, 477738), (45, 424656), (48, 398115), (54, 353880), (60, 318492), (72, 265410), (80, 238869), (81, 235920), (90, 212328), (108, 176940), (120, 159246), (135, 141552), (144, 132705), (162, 117960), (180, 106164), (216, 88470), (240, 79623), (243, 78640), (270, 70776), (324, 58980), (360, 53082), (405, 47184), (432, 44235), (486, 39320), (540, 35388), (648, 29490), (720, 26541), (810, 23592), (972, 19660), (983, 19440), (1080, 17694), (1215, 15728), (1296, 14745), (1620, 11796), (1944, 9830), (1966, 9720), (2160, 8847), (2430, 7864), (2949, 6480), (3240, 5898), (3888, 4915), (3932, 4860)]