19287850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 38390400

約数和(自身を除く): 19102550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 79, 95, 158, 190, 257, 395, 475, 514, 790, 950, 1285, 1501, 1975, 2570, 3002, 3950, 4883, 6425, 7505, 9766, 12850, 15010, 20303, 24415, 37525, 40606, 48830, 75050, 101515, 122075, 203030, 244150, 385757, 507575, 771514, 1015150, 1928785, 3857570, 9643925, 19287850]

約数ペア:

[(1, 19287850), (2, 9643925), (5, 3857570), (10, 1928785), (19, 1015150), (25, 771514), (38, 507575), (50, 385757), (79, 244150), (95, 203030), (158, 122075), (190, 101515), (257, 75050), (395, 48830), (475, 40606), (514, 37525), (790, 24415), (950, 20303), (1285, 15010), (1501, 12850), (1975, 9766), (2570, 7505), (3002, 6425), (3950, 4883)]