19163925

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 40176000

約数和(自身を除く): 21012075

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 29, 33, 45, 55, 75, 87, 89, 99, 135, 145, 165, 225, 261, 267, 275, 297, 319, 435, 445, 495, 675, 725, 783, 801, 825, 957, 979, 1305, 1335, 1485, 1595, 2175, 2225, 2403, 2475, 2581, 2871, 2937, 3915, 4005, 4785, 4895, 6525, 6675, 7425, 7743, 7975, 8613, 8811, 12015, 12905, 14355, 14685, 19575, 20025, 23229, 23925, 24475, 26433, 28391, 38715, 43065, 44055, 60075, 64525, 69687, 71775, 73425, 85173, 116145, 132165, 141955, 193575, 215325, 220275, 255519, 348435, 425865, 580725, 660825, 709775, 766557, 1277595, 1742175, 2129325, 3832785, 6387975, 19163925]

約数ペア:

[(1, 19163925), (3, 6387975), (5, 3832785), (9, 2129325), (11, 1742175), (15, 1277595), (25, 766557), (27, 709775), (29, 660825), (33, 580725), (45, 425865), (55, 348435), (75, 255519), (87, 220275), (89, 215325), (99, 193575), (135, 141955), (145, 132165), (165, 116145), (225, 85173), (261, 73425), (267, 71775), (275, 69687), (297, 64525), (319, 60075), (435, 44055), (445, 43065), (495, 38715), (675, 28391), (725, 26433), (783, 24475), (801, 23925), (825, 23229), (957, 20025), (979, 19575), (1305, 14685), (1335, 14355), (1485, 12905), (1595, 12015), (2175, 8811), (2225, 8613), (2403, 7975), (2475, 7743), (2581, 7425), (2871, 6675), (2937, 6525), (3915, 4895), (4005, 4785)]