19454916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{401}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 49166208

約数和(自身を除く): 29711292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 311, 401, 622, 802, 933, 1203, 1244, 1604, 1866, 2406, 3732, 4043, 4812, 5213, 8086, 10426, 12129, 15639, 16172, 20852, 24258, 31278, 48516, 62556, 124711, 249422, 374133, 498844, 748266, 1496532, 1621243, 3242486, 4863729, 6484972, 9727458, 19454916]

約数ペア:

[(1, 19454916), (2, 9727458), (3, 6484972), (4, 4863729), (6, 3242486), (12, 1621243), (13, 1496532), (26, 748266), (39, 498844), (52, 374133), (78, 249422), (156, 124711), (311, 62556), (401, 48516), (622, 31278), (802, 24258), (933, 20852), (1203, 16172), (1244, 15639), (1604, 12129), (1866, 10426), (2406, 8086), (3732, 5213), (4043, 4812)]