18942048

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:844

約数の個数: 72

約数和(自身を含む): 54545400

約数和(自身を除く): 35603352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 739, 801, 1068, 1424, 1478, 1602, 2136, 2217, 2848, 2956, 3204, 4272, 4434, 5912, 6408, 6651, 8544, 8868, 11824, 12816, 13302, 17736, 23648, 25632, 26604, 35472, 53208, 65771, 70944, 106416, 131542, 197313, 212832, 263084, 394626, 526168, 591939, 789252, 1052336, 1183878, 1578504, 2104672, 2367756, 3157008, 4735512, 6314016, 9471024, 18942048]

約数ペア:

[(1, 18942048), (2, 9471024), (3, 6314016), (4, 4735512), (6, 3157008), (8, 2367756), (9, 2104672), (12, 1578504), (16, 1183878), (18, 1052336), (24, 789252), (32, 591939), (36, 526168), (48, 394626), (72, 263084), (89, 212832), (96, 197313), (144, 131542), (178, 106416), (267, 70944), (288, 65771), (356, 53208), (534, 35472), (712, 26604), (739, 25632), (801, 23648), (1068, 17736), (1424, 13302), (1478, 12816), (1602, 11824), (2136, 8868), (2217, 8544), (2848, 6651), (2956, 6408), (3204, 5912), (4272, 4434)]