19793964

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 47986400

約数和(自身を除く): 28192436

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 109, 111, 148, 218, 222, 327, 409, 436, 444, 654, 818, 1227, 1308, 1636, 2454, 4033, 4908, 8066, 12099, 15133, 16132, 24198, 30266, 44581, 45399, 48396, 60532, 89162, 90798, 133743, 178324, 181596, 267486, 534972, 1649497, 3298994, 4948491, 6597988, 9896982, 19793964]

約数ペア:

[(1, 19793964), (2, 9896982), (3, 6597988), (4, 4948491), (6, 3298994), (12, 1649497), (37, 534972), (74, 267486), (109, 181596), (111, 178324), (148, 133743), (218, 90798), (222, 89162), (327, 60532), (409, 48396), (436, 45399), (444, 44581), (654, 30266), (818, 24198), (1227, 16132), (1308, 15133), (1636, 12099), (2454, 8066), (4033, 4908)]