19592775

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:153

約数の個数: 54

約数和(自身を含む): 36921248

約数和(自身を除く): 17328473

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 53, 75, 93, 155, 159, 225, 265, 279, 465, 477, 775, 795, 1325, 1395, 1643, 2325, 2385, 2809, 3975, 4929, 6975, 8215, 8427, 11925, 14045, 14787, 24645, 25281, 41075, 42135, 70225, 73935, 87079, 123225, 126405, 210675, 261237, 369675, 435395, 632025, 783711, 1306185, 2176975, 3918555, 6530925, 19592775]

約数ペア:

[(1, 19592775), (3, 6530925), (5, 3918555), (9, 2176975), (15, 1306185), (25, 783711), (31, 632025), (45, 435395), (53, 369675), (75, 261237), (93, 210675), (155, 126405), (159, 123225), (225, 87079), (265, 73935), (279, 70225), (465, 42135), (477, 41075), (775, 25281), (795, 24645), (1325, 14787), (1395, 14045), (1643, 11925), (2325, 8427), (2385, 8215), (2809, 6975), (3975, 4929)]