19316720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7789}}^1$

素因数の和:7833

約数の個数: 40

約数和(自身を含む): 46366080

約数和(自身を除く): 27049360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7789, 15578, 31156, 38945, 62312, 77890, 124624, 155780, 241459, 311560, 482918, 623120, 965836, 1207295, 1931672, 2414590, 3863344, 4829180, 9658360, 19316720]

約数ペア:

[(1, 19316720), (2, 9658360), (4, 4829180), (5, 3863344), (8, 2414590), (10, 1931672), (16, 1207295), (20, 965836), (31, 623120), (40, 482918), (62, 311560), (80, 241459), (124, 155780), (155, 124624), (248, 77890), (310, 62312), (496, 38945), (620, 31156), (1240, 15578), (2480, 7789)]