19976544

素因数分解:

$2^5\times 3^5\times 7^1\times {\mathrm{367}}^1$

素因数の和:399

約数の個数: 144

約数和(自身を含む): 67511808

約数和(自身を除く): 47535264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 243, 252, 288, 324, 336, 367, 378, 432, 486, 504, 567, 648, 672, 734, 756, 864, 972, 1008, 1101, 1134, 1296, 1468, 1512, 1701, 1944, 2016, 2202, 2268, 2569, 2592, 2936, 3024, 3303, 3402, 3888, 4404, 4536, 5138, 5872, 6048, 6606, 6804, 7707, 7776, 8808, 9072, 9909, 10276, 11744, 13212, 13608, 15414, 17616, 18144, 19818, 20552, 23121, 26424, 27216, 29727, 30828, 35232, 39636, 41104, 46242, 52848, 54432, 59454, 61656, 69363, 79272, 82208, 89181, 92484, 105696, 118908, 123312, 138726, 158544, 178362, 184968, 208089, 237816, 246624, 277452, 317088, 356724, 369936, 416178, 475632, 554904, 624267, 713448, 739872, 832356, 951264, 1109808, 1248534, 1426896, 1664712, 2219616, 2497068, 2853792, 3329424, 4994136, 6658848, 9988272, 19976544]

約数ペア:

[(1, 19976544), (2, 9988272), (3, 6658848), (4, 4994136), (6, 3329424), (7, 2853792), (8, 2497068), (9, 2219616), (12, 1664712), (14, 1426896), (16, 1248534), (18, 1109808), (21, 951264), (24, 832356), (27, 739872), (28, 713448), (32, 624267), (36, 554904), (42, 475632), (48, 416178), (54, 369936), (56, 356724), (63, 317088), (72, 277452), (81, 246624), (84, 237816), (96, 208089), (108, 184968), (112, 178362), (126, 158544), (144, 138726), (162, 123312), (168, 118908), (189, 105696), (216, 92484), (224, 89181), (243, 82208), (252, 79272), (288, 69363), (324, 61656), (336, 59454), (367, 54432), (378, 52848), (432, 46242), (486, 41104), (504, 39636), (567, 35232), (648, 30828), (672, 29727), (734, 27216), (756, 26424), (864, 23121), (972, 20552), (1008, 19818), (1101, 18144), (1134, 17616), (1296, 15414), (1468, 13608), (1512, 13212), (1701, 11744), (1944, 10276), (2016, 9909), (2202, 9072), (2268, 8808), (2569, 7776), (2592, 7707), (2936, 6804), (3024, 6606), (3303, 6048), (3402, 5872), (3888, 5138), (4404, 4536)]