19236420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{727}}^1$

素因数の和:759

約数の個数: 144

約数和(自身を含む): 69713280

約数和(自身を除く): 50476860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 727, 735, 756, 882, 945, 980, 1260, 1323, 1454, 1470, 1764, 1890, 2181, 2205, 2646, 2908, 2940, 3635, 3780, 4362, 4410, 5089, 5292, 6543, 6615, 7270, 8724, 8820, 10178, 10905, 13086, 13230, 14540, 15267, 19629, 20356, 21810, 25445, 26172, 26460, 30534, 32715, 35623, 39258, 43620, 45801, 50890, 61068, 65430, 71246, 76335, 78516, 91602, 98145, 101780, 106869, 130860, 137403, 142492, 152670, 178115, 183204, 196290, 213738, 229005, 274806, 305340, 320607, 356230, 392580, 427476, 458010, 534345, 549612, 641214, 687015, 712460, 916020, 961821, 1068690, 1282428, 1374030, 1603035, 1923642, 2137380, 2748060, 3206070, 3847284, 4809105, 6412140, 9618210, 19236420]

約数ペア:

[(1, 19236420), (2, 9618210), (3, 6412140), (4, 4809105), (5, 3847284), (6, 3206070), (7, 2748060), (9, 2137380), (10, 1923642), (12, 1603035), (14, 1374030), (15, 1282428), (18, 1068690), (20, 961821), (21, 916020), (27, 712460), (28, 687015), (30, 641214), (35, 549612), (36, 534345), (42, 458010), (45, 427476), (49, 392580), (54, 356230), (60, 320607), (63, 305340), (70, 274806), (84, 229005), (90, 213738), (98, 196290), (105, 183204), (108, 178115), (126, 152670), (135, 142492), (140, 137403), (147, 130860), (180, 106869), (189, 101780), (196, 98145), (210, 91602), (245, 78516), (252, 76335), (270, 71246), (294, 65430), (315, 61068), (378, 50890), (420, 45801), (441, 43620), (490, 39258), (540, 35623), (588, 32715), (630, 30534), (727, 26460), (735, 26172), (756, 25445), (882, 21810), (945, 20356), (980, 19629), (1260, 15267), (1323, 14540), (1454, 13230), (1470, 13086), (1764, 10905), (1890, 10178), (2181, 8820), (2205, 8724), (2646, 7270), (2908, 6615), (2940, 6543), (3635, 5292), (3780, 5089), (4362, 4410)]