19641258

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:609

約数の個数: 96

約数和(自身を含む): 54774720

約数和(自身を除く): 35133462

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 49, 54, 63, 78, 91, 98, 117, 126, 147, 182, 189, 234, 273, 294, 351, 378, 441, 546, 571, 637, 702, 819, 882, 1142, 1274, 1323, 1638, 1713, 1911, 2457, 2646, 3426, 3822, 3997, 4914, 5139, 5733, 7423, 7994, 10278, 11466, 11991, 14846, 15417, 17199, 22269, 23982, 27979, 30834, 34398, 35973, 44538, 51961, 55958, 66807, 71946, 83937, 103922, 107919, 133614, 155883, 167874, 200421, 215838, 251811, 311766, 363727, 400842, 467649, 503622, 727454, 755433, 935298, 1091181, 1402947, 1510866, 2182362, 2805894, 3273543, 6547086, 9820629, 19641258]

約数ペア:

[(1, 19641258), (2, 9820629), (3, 6547086), (6, 3273543), (7, 2805894), (9, 2182362), (13, 1510866), (14, 1402947), (18, 1091181), (21, 935298), (26, 755433), (27, 727454), (39, 503622), (42, 467649), (49, 400842), (54, 363727), (63, 311766), (78, 251811), (91, 215838), (98, 200421), (117, 167874), (126, 155883), (147, 133614), (182, 107919), (189, 103922), (234, 83937), (273, 71946), (294, 66807), (351, 55958), (378, 51961), (441, 44538), (546, 35973), (571, 34398), (637, 30834), (702, 27979), (819, 23982), (882, 22269), (1142, 17199), (1274, 15417), (1323, 14846), (1638, 11991), (1713, 11466), (1911, 10278), (2457, 7994), (2646, 7423), (3426, 5733), (3822, 5139), (3997, 4914)]