18992580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{907}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 53390400

約数和(自身を除く): 34397820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349, 698, 907, 1047, 1396, 1745, 1814, 2094, 2721, 3490, 3628, 4188, 4535, 5235, 5442, 6980, 9070, 10470, 10884, 13605, 18140, 20940, 27210, 54420, 316543, 633086, 949629, 1266172, 1582715, 1899258, 3165430, 3798516, 4748145, 6330860, 9496290, 18992580]

約数ペア:

[(1, 18992580), (2, 9496290), (3, 6330860), (4, 4748145), (5, 3798516), (6, 3165430), (10, 1899258), (12, 1582715), (15, 1266172), (20, 949629), (30, 633086), (60, 316543), (349, 54420), (698, 27210), (907, 20940), (1047, 18140), (1396, 13605), (1745, 10884), (1814, 10470), (2094, 9070), (2721, 6980), (3490, 5442), (3628, 5235), (4188, 4535)]