19633240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44621}}^1$

素因数の和:44643

約数の個数: 32

約数和(自身を含む): 48191760

約数和(自身を除く): 28558520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44621, 89242, 178484, 223105, 356968, 446210, 490831, 892420, 981662, 1784840, 1963324, 2454155, 3926648, 4908310, 9816620, 19633240]

約数ペア:

[(1, 19633240), (2, 9816620), (4, 4908310), (5, 3926648), (8, 2454155), (10, 1963324), (11, 1784840), (20, 981662), (22, 892420), (40, 490831), (44, 446210), (55, 356968), (88, 223105), (110, 178484), (220, 89242), (440, 44621)]