19685925

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 41783040

約数和(自身を除く): 22097115

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 29, 35, 45, 63, 75, 87, 105, 145, 175, 203, 225, 261, 315, 431, 435, 525, 609, 725, 1015, 1293, 1305, 1575, 1827, 2155, 2175, 3017, 3045, 3879, 5075, 6465, 6525, 9051, 9135, 10775, 12499, 15085, 15225, 19395, 27153, 32325, 37497, 45255, 45675, 62495, 75425, 87493, 96975, 112491, 135765, 187485, 226275, 262479, 312475, 437465, 562455, 678825, 787437, 937425, 1312395, 2187325, 2812275, 3937185, 6561975, 19685925]

約数ペア:

[(1, 19685925), (3, 6561975), (5, 3937185), (7, 2812275), (9, 2187325), (15, 1312395), (21, 937425), (25, 787437), (29, 678825), (35, 562455), (45, 437465), (63, 312475), (75, 262479), (87, 226275), (105, 187485), (145, 135765), (175, 112491), (203, 96975), (225, 87493), (261, 75425), (315, 62495), (431, 45675), (435, 45255), (525, 37497), (609, 32325), (725, 27153), (1015, 19395), (1293, 15225), (1305, 15085), (1575, 12499), (1827, 10775), (2155, 9135), (2175, 9051), (3017, 6525), (3045, 6465), (3879, 5075)]