19965582

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 38095218

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 39, 42, 51, 54, 63, 78, 91, 102, 117, 119, 126, 153, 182, 189, 221, 234, 238, 239, 273, 306, 351, 357, 378, 442, 459, 478, 546, 663, 702, 714, 717, 819, 918, 1071, 1326, 1434, 1547, 1638, 1673, 1989, 2142, 2151, 2457, 3094, 3107, 3213, 3346, 3978, 4063, 4302, 4641, 4914, 5019, 5967, 6214, 6426, 6453, 8126, 9282, 9321, 10038, 11934, 12189, 12906, 13923, 15057, 18642, 21749, 24378, 27846, 27963, 28441, 30114, 36567, 41769, 43498, 45171, 52819, 55926, 56882, 65247, 73134, 83538, 83889, 85323, 90342, 105638, 109701, 130494, 158457, 167778, 170646, 195741, 219402, 255969, 316914, 369733, 391482, 475371, 511938, 587223, 739466, 767907, 950742, 1109199, 1174446, 1426113, 1535814, 2218398, 2852226, 3327597, 6655194, 9982791, 19965582]

約数ペア:

[(1, 19965582), (2, 9982791), (3, 6655194), (6, 3327597), (7, 2852226), (9, 2218398), (13, 1535814), (14, 1426113), (17, 1174446), (18, 1109199), (21, 950742), (26, 767907), (27, 739466), (34, 587223), (39, 511938), (42, 475371), (51, 391482), (54, 369733), (63, 316914), (78, 255969), (91, 219402), (102, 195741), (117, 170646), (119, 167778), (126, 158457), (153, 130494), (182, 109701), (189, 105638), (221, 90342), (234, 85323), (238, 83889), (239, 83538), (273, 73134), (306, 65247), (351, 56882), (357, 55926), (378, 52819), (442, 45171), (459, 43498), (478, 41769), (546, 36567), (663, 30114), (702, 28441), (714, 27963), (717, 27846), (819, 24378), (918, 21749), (1071, 18642), (1326, 15057), (1434, 13923), (1547, 12906), (1638, 12189), (1673, 11934), (1989, 10038), (2142, 9321), (2151, 9282), (2457, 8126), (3094, 6453), (3107, 6426), (3213, 6214), (3346, 5967), (3978, 5019), (4063, 4914), (4302, 4641)]