18538065

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 40981248

約数和(自身を除く): 22443183

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 81, 91, 105, 117, 135, 189, 195, 273, 315, 351, 405, 455, 503, 567, 585, 819, 945, 1053, 1365, 1509, 1755, 2457, 2515, 2835, 3521, 4095, 4527, 5265, 6539, 7371, 7545, 10563, 12285, 13581, 17605, 19617, 22635, 31689, 32695, 36855, 40743, 45773, 52815, 58851, 67905, 95067, 98085, 137319, 158445, 176553, 203715, 228865, 285201, 294255, 411957, 475335, 529659, 686595, 882765, 1235871, 1426005, 2059785, 2648295, 3707613, 6179355, 18538065]

約数ペア:

[(1, 18538065), (3, 6179355), (5, 3707613), (7, 2648295), (9, 2059785), (13, 1426005), (15, 1235871), (21, 882765), (27, 686595), (35, 529659), (39, 475335), (45, 411957), (63, 294255), (65, 285201), (81, 228865), (91, 203715), (105, 176553), (117, 158445), (135, 137319), (189, 98085), (195, 95067), (273, 67905), (315, 58851), (351, 52815), (405, 45773), (455, 40743), (503, 36855), (567, 32695), (585, 31689), (819, 22635), (945, 19617), (1053, 17605), (1365, 13581), (1509, 12285), (1755, 10563), (2457, 7545), (2515, 7371), (2835, 6539), (3521, 5265), (4095, 4527)]