19368648

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20693}}^1$

素因数の和:20718

約数の個数: 48

約数和(自身を含む): 56494620

約数和(自身を除く): 37125972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20693, 41386, 62079, 82772, 124158, 165544, 186237, 248316, 269009, 372474, 496632, 538018, 744948, 807027, 1076036, 1489896, 1614054, 2152072, 2421081, 3228108, 4842162, 6456216, 9684324, 19368648]

約数ペア:

[(1, 19368648), (2, 9684324), (3, 6456216), (4, 4842162), (6, 3228108), (8, 2421081), (9, 2152072), (12, 1614054), (13, 1489896), (18, 1076036), (24, 807027), (26, 744948), (36, 538018), (39, 496632), (52, 372474), (72, 269009), (78, 248316), (104, 186237), (117, 165544), (156, 124158), (234, 82772), (312, 62079), (468, 41386), (936, 20693)]