19738150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 39283200

約数和(自身を除く): 19545050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 79, 95, 158, 190, 263, 395, 475, 526, 790, 950, 1315, 1501, 1975, 2630, 3002, 3950, 4997, 6575, 7505, 9994, 13150, 15010, 20777, 24985, 37525, 41554, 49970, 75050, 103885, 124925, 207770, 249850, 394763, 519425, 789526, 1038850, 1973815, 3947630, 9869075, 19738150]

約数ペア:

[(1, 19738150), (2, 9869075), (5, 3947630), (10, 1973815), (19, 1038850), (25, 789526), (38, 519425), (50, 394763), (79, 249850), (95, 207770), (158, 124925), (190, 103885), (263, 75050), (395, 49970), (475, 41554), (526, 37525), (790, 24985), (950, 20777), (1315, 15010), (1501, 13150), (1975, 9994), (2630, 7505), (3002, 6575), (3950, 4997)]