16872380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6343}}^1$

素因数の和:6378

約数の個数: 48

約数和(自身を含む): 42631680

約数和(自身を除く): 25759300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6343, 12686, 25372, 31715, 44401, 63430, 88802, 120517, 126860, 177604, 222005, 241034, 444010, 482068, 602585, 843619, 888020, 1205170, 1687238, 2410340, 3374476, 4218095, 8436190, 16872380]

約数ペア:

[(1, 16872380), (2, 8436190), (4, 4218095), (5, 3374476), (7, 2410340), (10, 1687238), (14, 1205170), (19, 888020), (20, 843619), (28, 602585), (35, 482068), (38, 444010), (70, 241034), (76, 222005), (95, 177604), (133, 126860), (140, 120517), (190, 88802), (266, 63430), (380, 44401), (532, 31715), (665, 25372), (1330, 12686), (2660, 6343)]