19461720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1033}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 58813920

約数和(自身を除く): 39352200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1033, 1256, 1570, 1884, 2066, 2355, 3099, 3140, 3768, 4132, 4710, 5165, 6198, 6280, 8264, 9420, 10330, 12396, 15495, 18840, 20660, 24792, 30990, 41320, 61980, 123960, 162181, 324362, 486543, 648724, 810905, 973086, 1297448, 1621810, 1946172, 2432715, 3243620, 3892344, 4865430, 6487240, 9730860, 19461720]

約数ペア:

[(1, 19461720), (2, 9730860), (3, 6487240), (4, 4865430), (5, 3892344), (6, 3243620), (8, 2432715), (10, 1946172), (12, 1621810), (15, 1297448), (20, 973086), (24, 810905), (30, 648724), (40, 486543), (60, 324362), (120, 162181), (157, 123960), (314, 61980), (471, 41320), (628, 30990), (785, 24792), (942, 20660), (1033, 18840), (1256, 15495), (1570, 12396), (1884, 10330), (2066, 9420), (2355, 8264), (3099, 6280), (3140, 6198), (3768, 5165), (4132, 4710)]