19881648

素因数分解:

$2^4\times 3^2\times {\mathrm{101}}^1\times {\mathrm{1367}}^1$

素因数の和:1482

約数の個数: 60

約数和(自身を含む): 56233008

約数和(自身を除く): 36351360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 101, 144, 202, 303, 404, 606, 808, 909, 1212, 1367, 1616, 1818, 2424, 2734, 3636, 4101, 4848, 5468, 7272, 8202, 10936, 12303, 14544, 16404, 21872, 24606, 32808, 49212, 65616, 98424, 138067, 196848, 276134, 414201, 552268, 828402, 1104536, 1242603, 1656804, 2209072, 2485206, 3313608, 4970412, 6627216, 9940824, 19881648]

約数ペア:

[(1, 19881648), (2, 9940824), (3, 6627216), (4, 4970412), (6, 3313608), (8, 2485206), (9, 2209072), (12, 1656804), (16, 1242603), (18, 1104536), (24, 828402), (36, 552268), (48, 414201), (72, 276134), (101, 196848), (144, 138067), (202, 98424), (303, 65616), (404, 49212), (606, 32808), (808, 24606), (909, 21872), (1212, 16404), (1367, 14544), (1616, 12303), (1818, 10936), (2424, 8202), (2734, 7272), (3636, 5468), (4101, 4848)]