19434520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2288

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 32175080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 2239, 4340, 4478, 8680, 8956, 11195, 15673, 17912, 22390, 31346, 44780, 62692, 69409, 78365, 89560, 125384, 138818, 156730, 277636, 313460, 347045, 485863, 555272, 626920, 694090, 971726, 1388180, 1943452, 2429315, 2776360, 3886904, 4858630, 9717260, 19434520]

約数ペア:

[(1, 19434520), (2, 9717260), (4, 4858630), (5, 3886904), (7, 2776360), (8, 2429315), (10, 1943452), (14, 1388180), (20, 971726), (28, 694090), (31, 626920), (35, 555272), (40, 485863), (56, 347045), (62, 313460), (70, 277636), (124, 156730), (140, 138818), (155, 125384), (217, 89560), (248, 78365), (280, 69409), (310, 62692), (434, 44780), (620, 31346), (868, 22390), (1085, 17912), (1240, 15673), (1736, 11195), (2170, 8956), (2239, 8680), (4340, 4478)]