19220014920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{247553}}^1$

素因数の和:248214

約数の個数: 64

約数和(自身を含む): 57749397120

約数和(自身を除く): 38529382200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 1294, 1941, 2588, 3235, 3882, 5176, 6470, 7764, 9705, 12940, 15528, 19410, 25880, 38820, 77640, 247553, 495106, 742659, 990212, 1237765, 1485318, 1980424, 2475530, 2970636, 3713295, 4951060, 5941272, 7426590, 9902120, 14853180, 29706360, 160166791, 320333582, 480500373, 640667164, 800833955, 961000746, 1281334328, 1601667910, 1922001492, 2402501865, 3203335820, 3844002984, 4805003730, 6406671640, 9610007460, 19220014920]

約数ペア:

[(1, 19220014920), (2, 9610007460), (3, 6406671640), (4, 4805003730), (5, 3844002984), (6, 3203335820), (8, 2402501865), (10, 1922001492), (12, 1601667910), (15, 1281334328), (20, 961000746), (24, 800833955), (30, 640667164), (40, 480500373), (60, 320333582), (120, 160166791), (647, 29706360), (1294, 14853180), (1941, 9902120), (2588, 7426590), (3235, 5941272), (3882, 4951060), (5176, 3713295), (6470, 2970636), (7764, 2475530), (9705, 1980424), (12940, 1485318), (15528, 1237765), (19410, 990212), (25880, 742659), (38820, 495106), (77640, 247553)]