18513690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1283}}^1$

素因数の和:1343

約数の個数: 64

約数和(自身を含む): 49182336

約数和(自身を除く): 30668646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1283, 1443, 2405, 2566, 2886, 3849, 4810, 6415, 7215, 7698, 12830, 14430, 16679, 19245, 33358, 38490, 47471, 50037, 83395, 94942, 100074, 142413, 166790, 237355, 250185, 284826, 474710, 500370, 617123, 712065, 1234246, 1424130, 1851369, 3085615, 3702738, 6171230, 9256845, 18513690]

約数ペア:

[(1, 18513690), (2, 9256845), (3, 6171230), (5, 3702738), (6, 3085615), (10, 1851369), (13, 1424130), (15, 1234246), (26, 712065), (30, 617123), (37, 500370), (39, 474710), (65, 284826), (74, 250185), (78, 237355), (111, 166790), (130, 142413), (185, 100074), (195, 94942), (222, 83395), (370, 50037), (390, 47471), (481, 38490), (555, 33358), (962, 19245), (1110, 16679), (1283, 14430), (1443, 12830), (2405, 7698), (2566, 7215), (2886, 6415), (3849, 4810)]