19203075

素因数分解:

$3^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 37237200

約数和(自身を除く): 18034125

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 109, 135, 145, 225, 243, 261, 327, 405, 435, 545, 675, 725, 783, 981, 1215, 1305, 1635, 2025, 2175, 2349, 2725, 2943, 3161, 3915, 4905, 6075, 6525, 7047, 8175, 8829, 9483, 11745, 14715, 15805, 19575, 24525, 26487, 28449, 35235, 44145, 47415, 58725, 73575, 79025, 85347, 132435, 142245, 176175, 220725, 237075, 256041, 426735, 662175, 711225, 768123, 1280205, 2133675, 3840615, 6401025, 19203075]

約数ペア:

[(1, 19203075), (3, 6401025), (5, 3840615), (9, 2133675), (15, 1280205), (25, 768123), (27, 711225), (29, 662175), (45, 426735), (75, 256041), (81, 237075), (87, 220725), (109, 176175), (135, 142245), (145, 132435), (225, 85347), (243, 79025), (261, 73575), (327, 58725), (405, 47415), (435, 44145), (545, 35235), (675, 28449), (725, 26487), (783, 24525), (981, 19575), (1215, 15805), (1305, 14715), (1635, 11745), (2025, 9483), (2175, 8829), (2349, 8175), (2725, 7047), (2943, 6525), (3161, 6075), (3915, 4905)]