18953610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2159

約数の個数: 64

約数和(自身を含む): 51141888

約数和(自身を除く): 32188278

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2113, 2990, 4226, 4485, 6339, 8970, 10565, 12678, 21130, 27469, 31695, 48599, 54938, 63390, 82407, 97198, 137345, 145797, 164814, 242995, 274690, 291594, 412035, 485990, 631787, 728985, 824070, 1263574, 1457970, 1895361, 3158935, 3790722, 6317870, 9476805, 18953610]

約数ペア:

[(1, 18953610), (2, 9476805), (3, 6317870), (5, 3790722), (6, 3158935), (10, 1895361), (13, 1457970), (15, 1263574), (23, 824070), (26, 728985), (30, 631787), (39, 485990), (46, 412035), (65, 291594), (69, 274690), (78, 242995), (115, 164814), (130, 145797), (138, 137345), (195, 97198), (230, 82407), (299, 63390), (345, 54938), (390, 48599), (598, 31695), (690, 27469), (897, 21130), (1495, 12678), (1794, 10565), (2113, 8970), (2990, 6339), (4226, 4485)]