18942525

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 42060800

約数和(自身を除く): 23118275

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 75, 95, 105, 133, 135, 171, 175, 189, 211, 225, 285, 315, 399, 475, 513, 525, 633, 665, 675, 855, 945, 1055, 1197, 1425, 1477, 1575, 1899, 1995, 2565, 3165, 3325, 3591, 4009, 4275, 4431, 4725, 5275, 5697, 5985, 7385, 9495, 9975, 12027, 12825, 13293, 15825, 17955, 20045, 22155, 28063, 28485, 29925, 36081, 36925, 39879, 47475, 60135, 66465, 84189, 89775, 100225, 108243, 110775, 140315, 142425, 180405, 199395, 252567, 300675, 332325, 420945, 541215, 701575, 757701, 902025, 996975, 1262835, 2104725, 2706075, 3788505, 6314175, 18942525]

約数ペア:

[(1, 18942525), (3, 6314175), (5, 3788505), (7, 2706075), (9, 2104725), (15, 1262835), (19, 996975), (21, 902025), (25, 757701), (27, 701575), (35, 541215), (45, 420945), (57, 332325), (63, 300675), (75, 252567), (95, 199395), (105, 180405), (133, 142425), (135, 140315), (171, 110775), (175, 108243), (189, 100225), (211, 89775), (225, 84189), (285, 66465), (315, 60135), (399, 47475), (475, 39879), (513, 36925), (525, 36081), (633, 29925), (665, 28485), (675, 28063), (855, 22155), (945, 20045), (1055, 17955), (1197, 15825), (1425, 13293), (1477, 12825), (1575, 12027), (1899, 9975), (1995, 9495), (2565, 7385), (3165, 5985), (3325, 5697), (3591, 5275), (4009, 4725), (4275, 4431)]