19373450

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 19195510

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 290, 310, 431, 725, 775, 862, 899, 1450, 1550, 1798, 2155, 4310, 4495, 8990, 10775, 12499, 13361, 21550, 22475, 24998, 26722, 44950, 62495, 66805, 124990, 133610, 312475, 334025, 387469, 624950, 668050, 774938, 1937345, 3874690, 9686725, 19373450]

約数ペア:

[(1, 19373450), (2, 9686725), (5, 3874690), (10, 1937345), (25, 774938), (29, 668050), (31, 624950), (50, 387469), (58, 334025), (62, 312475), (145, 133610), (155, 124990), (290, 66805), (310, 62495), (431, 44950), (725, 26722), (775, 24998), (862, 22475), (899, 21550), (1450, 13361), (1550, 12499), (1798, 10775), (2155, 8990), (4310, 4495)]