19431120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{80963}}^1$

素因数の和:80979

約数の個数: 40

約数和(自身を含む): 60237216

約数和(自身を除く): 40806096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 80963, 161926, 242889, 323852, 404815, 485778, 647704, 809630, 971556, 1214445, 1295408, 1619260, 1943112, 2428890, 3238520, 3886224, 4857780, 6477040, 9715560, 19431120]

約数ペア:

[(1, 19431120), (2, 9715560), (3, 6477040), (4, 4857780), (5, 3886224), (6, 3238520), (8, 2428890), (10, 1943112), (12, 1619260), (15, 1295408), (16, 1214445), (20, 971556), (24, 809630), (30, 647704), (40, 485778), (48, 404815), (60, 323852), (80, 242889), (120, 161926), (240, 80963)]