19477280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 49896000

約数和(自身を除く): 30418720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 76, 80, 86, 95, 149, 152, 160, 172, 190, 215, 298, 304, 344, 380, 430, 596, 608, 688, 745, 760, 817, 860, 1192, 1376, 1490, 1520, 1634, 1720, 2384, 2831, 2980, 3040, 3268, 3440, 4085, 4768, 5662, 5960, 6407, 6536, 6880, 8170, 11324, 11920, 12814, 13072, 14155, 16340, 22648, 23840, 25628, 26144, 28310, 32035, 32680, 45296, 51256, 56620, 64070, 65360, 90592, 102512, 113240, 121733, 128140, 130720, 205024, 226480, 243466, 256280, 452960, 486932, 512560, 608665, 973864, 1025120, 1217330, 1947728, 2434660, 3895456, 4869320, 9738640, 19477280]

約数ペア:

[(1, 19477280), (2, 9738640), (4, 4869320), (5, 3895456), (8, 2434660), (10, 1947728), (16, 1217330), (19, 1025120), (20, 973864), (32, 608665), (38, 512560), (40, 486932), (43, 452960), (76, 256280), (80, 243466), (86, 226480), (95, 205024), (149, 130720), (152, 128140), (160, 121733), (172, 113240), (190, 102512), (215, 90592), (298, 65360), (304, 64070), (344, 56620), (380, 51256), (430, 45296), (596, 32680), (608, 32035), (688, 28310), (745, 26144), (760, 25628), (817, 23840), (860, 22648), (1192, 16340), (1376, 14155), (1490, 13072), (1520, 12814), (1634, 11920), (1720, 11324), (2384, 8170), (2831, 6880), (2980, 6536), (3040, 6407), (3268, 5960), (3440, 5662), (4085, 4768)]