18780132

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:122

約数の個数: 108

約数和(自身を含む): 54998160

約数和(自身を除く): 36218028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 41, 42, 49, 57, 76, 82, 84, 98, 114, 123, 133, 147, 164, 196, 228, 246, 266, 287, 294, 399, 492, 532, 574, 588, 779, 798, 861, 931, 1148, 1558, 1596, 1681, 1722, 1862, 2009, 2337, 2793, 3116, 3362, 3444, 3724, 4018, 4674, 5043, 5453, 5586, 6027, 6724, 8036, 9348, 10086, 10906, 11172, 11767, 12054, 16359, 20172, 21812, 23534, 24108, 31939, 32718, 35301, 38171, 47068, 63878, 65436, 70602, 76342, 82369, 95817, 114513, 127756, 141204, 152684, 164738, 191634, 223573, 229026, 247107, 329476, 383268, 447146, 458052, 494214, 670719, 894292, 988428, 1341438, 1565011, 2682876, 3130022, 4695033, 6260044, 9390066, 18780132]

約数ペア:

[(1, 18780132), (2, 9390066), (3, 6260044), (4, 4695033), (6, 3130022), (7, 2682876), (12, 1565011), (14, 1341438), (19, 988428), (21, 894292), (28, 670719), (38, 494214), (41, 458052), (42, 447146), (49, 383268), (57, 329476), (76, 247107), (82, 229026), (84, 223573), (98, 191634), (114, 164738), (123, 152684), (133, 141204), (147, 127756), (164, 114513), (196, 95817), (228, 82369), (246, 76342), (266, 70602), (287, 65436), (294, 63878), (399, 47068), (492, 38171), (532, 35301), (574, 32718), (588, 31939), (779, 24108), (798, 23534), (861, 21812), (931, 20172), (1148, 16359), (1558, 12054), (1596, 11767), (1681, 11172), (1722, 10906), (1862, 10086), (2009, 9348), (2337, 8036), (2793, 6724), (3116, 6027), (3362, 5586), (3444, 5453), (3724, 5043), (4018, 4674)]