19649196

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 61286400

約数和(自身を除く): 41637204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 49, 54, 63, 79, 84, 94, 98, 108, 126, 141, 147, 158, 188, 189, 196, 237, 252, 282, 294, 316, 329, 378, 423, 441, 474, 553, 564, 588, 658, 711, 756, 846, 882, 948, 987, 1106, 1269, 1316, 1323, 1422, 1659, 1692, 1764, 1974, 2133, 2212, 2303, 2538, 2646, 2844, 2961, 3318, 3713, 3871, 3948, 4266, 4606, 4977, 5076, 5292, 5922, 6636, 6909, 7426, 7742, 8532, 8883, 9212, 9954, 11139, 11613, 11844, 13818, 14852, 14931, 15484, 17766, 19908, 20727, 22278, 23226, 25991, 27636, 29862, 33417, 34839, 35532, 41454, 44556, 46452, 51982, 59724, 62181, 66834, 69678, 77973, 82908, 100251, 103964, 104517, 124362, 133668, 139356, 155946, 181937, 200502, 209034, 233919, 248724, 311892, 363874, 401004, 418068, 467838, 545811, 701757, 727748, 935676, 1091622, 1403514, 1637433, 2183244, 2807028, 3274866, 4912299, 6549732, 9824598, 19649196]

約数ペア:

[(1, 19649196), (2, 9824598), (3, 6549732), (4, 4912299), (6, 3274866), (7, 2807028), (9, 2183244), (12, 1637433), (14, 1403514), (18, 1091622), (21, 935676), (27, 727748), (28, 701757), (36, 545811), (42, 467838), (47, 418068), (49, 401004), (54, 363874), (63, 311892), (79, 248724), (84, 233919), (94, 209034), (98, 200502), (108, 181937), (126, 155946), (141, 139356), (147, 133668), (158, 124362), (188, 104517), (189, 103964), (196, 100251), (237, 82908), (252, 77973), (282, 69678), (294, 66834), (316, 62181), (329, 59724), (378, 51982), (423, 46452), (441, 44556), (474, 41454), (553, 35532), (564, 34839), (588, 33417), (658, 29862), (711, 27636), (756, 25991), (846, 23226), (882, 22278), (948, 20727), (987, 19908), (1106, 17766), (1269, 15484), (1316, 14931), (1323, 14852), (1422, 13818), (1659, 11844), (1692, 11613), (1764, 11139), (1974, 9954), (2133, 9212), (2212, 8883), (2303, 8532), (2538, 7742), (2646, 7426), (2844, 6909), (2961, 6636), (3318, 5922), (3713, 5292), (3871, 5076), (3948, 4977), (4266, 4606)]