19051215

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 31712256

約数和(自身を除く): 12661041

約数列:

[1, 3, 5, 15, 47, 61, 141, 183, 235, 305, 443, 705, 915, 1329, 2215, 2867, 6645, 8601, 14335, 20821, 27023, 43005, 62463, 81069, 104105, 135115, 312315, 405345, 1270081, 3810243, 6350405, 19051215]

約数ペア:

[(1, 19051215), (3, 6350405), (5, 3810243), (15, 1270081), (47, 405345), (61, 312315), (141, 135115), (183, 104105), (235, 81069), (305, 62463), (443, 43005), (705, 27023), (915, 20821), (1329, 14335), (2215, 8601), (2867, 6645)]