19892448

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^2\times {\mathrm{239}}^1$

素因数の和:289

約数の個数: 108

約数和(自身を含む): 60343920

約数和(自身を除く): 40451472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 239, 272, 288, 289, 306, 408, 478, 544, 578, 612, 717, 816, 867, 956, 1156, 1224, 1434, 1632, 1734, 1912, 2151, 2312, 2448, 2601, 2868, 3468, 3824, 4063, 4302, 4624, 4896, 5202, 5736, 6936, 7648, 8126, 8604, 9248, 10404, 11472, 12189, 13872, 16252, 17208, 20808, 22944, 24378, 27744, 32504, 34416, 36567, 41616, 48756, 65008, 68832, 69071, 73134, 83232, 97512, 130016, 138142, 146268, 195024, 207213, 276284, 292536, 390048, 414426, 552568, 585072, 621639, 828852, 1105136, 1170144, 1243278, 1657704, 2210272, 2486556, 3315408, 4973112, 6630816, 9946224, 19892448]

約数ペア:

[(1, 19892448), (2, 9946224), (3, 6630816), (4, 4973112), (6, 3315408), (8, 2486556), (9, 2210272), (12, 1657704), (16, 1243278), (17, 1170144), (18, 1105136), (24, 828852), (32, 621639), (34, 585072), (36, 552568), (48, 414426), (51, 390048), (68, 292536), (72, 276284), (96, 207213), (102, 195024), (136, 146268), (144, 138142), (153, 130016), (204, 97512), (239, 83232), (272, 73134), (288, 69071), (289, 68832), (306, 65008), (408, 48756), (478, 41616), (544, 36567), (578, 34416), (612, 32504), (717, 27744), (816, 24378), (867, 22944), (956, 20808), (1156, 17208), (1224, 16252), (1434, 13872), (1632, 12189), (1734, 11472), (1912, 10404), (2151, 9248), (2312, 8604), (2448, 8126), (2601, 7648), (2868, 6936), (3468, 5736), (3824, 5202), (4063, 4896), (4302, 4624)]