19612912

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2371}}^1$

素因数の和:2437

約数の個数: 40

約数和(自身を含む): 42354432

約数和(自身を除く): 22741520

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 176, 188, 376, 517, 752, 1034, 2068, 2371, 4136, 4742, 8272, 9484, 18968, 26081, 37936, 52162, 104324, 111437, 208648, 222874, 417296, 445748, 891496, 1225807, 1782992, 2451614, 4903228, 9806456, 19612912]

約数ペア:

[(1, 19612912), (2, 9806456), (4, 4903228), (8, 2451614), (11, 1782992), (16, 1225807), (22, 891496), (44, 445748), (47, 417296), (88, 222874), (94, 208648), (176, 111437), (188, 104324), (376, 52162), (517, 37936), (752, 26081), (1034, 18968), (2068, 9484), (2371, 8272), (4136, 4742)]