18399220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6917}}^1$

素因数の和:6952

約数の個数: 48

約数和(自身を含む): 46488960

約数和(自身を除く): 28089740

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, 6917, 13834, 27668, 34585, 48419, 69170, 96838, 131423, 138340, 193676, 242095, 262846, 484190, 525692, 657115, 919961, 968380, 1314230, 1839922, 2628460, 3679844, 4599805, 9199610, 18399220]

約数ペア:

[(1, 18399220), (2, 9199610), (4, 4599805), (5, 3679844), (7, 2628460), (10, 1839922), (14, 1314230), (19, 968380), (20, 919961), (28, 657115), (35, 525692), (38, 484190), (70, 262846), (76, 242095), (95, 193676), (133, 138340), (140, 131423), (190, 96838), (266, 69170), (380, 48419), (532, 34585), (665, 27668), (1330, 13834), (2660, 6917)]