19080477

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 32196528

約数和(自身を除く): 13116051

約数列:

[1, 3, 9, 13, 17, 39, 51, 53, 117, 153, 159, 181, 221, 477, 543, 663, 689, 901, 1629, 1989, 2067, 2353, 2703, 3077, 6201, 7059, 8109, 9231, 9593, 11713, 21177, 27693, 28779, 35139, 40001, 86337, 105417, 120003, 124709, 163081, 360009, 374127, 489243, 1122381, 1467729, 2120053, 6360159, 19080477]

約数ペア:

[(1, 19080477), (3, 6360159), (9, 2120053), (13, 1467729), (17, 1122381), (39, 489243), (51, 374127), (53, 360009), (117, 163081), (153, 124709), (159, 120003), (181, 105417), (221, 86337), (477, 40001), (543, 35139), (663, 28779), (689, 27693), (901, 21177), (1629, 11713), (1989, 9593), (2067, 9231), (2353, 8109), (2703, 7059), (3077, 6201)]