1920196908

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{491}}^1\times {\mathrm{739}}^1$

素因数の和:1257

約数の個数: 144

約数和(自身を含む): 5810716800

約数和(自身を除く): 3890519892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 491, 588, 739, 756, 882, 982, 1323, 1473, 1478, 1764, 1964, 2217, 2646, 2946, 2956, 3437, 4419, 4434, 5173, 5292, 5892, 6651, 6874, 8838, 8868, 10311, 10346, 13257, 13302, 13748, 15519, 17676, 19953, 20622, 20692, 24059, 26514, 26604, 30933, 31038, 36211, 39906, 41244, 46557, 48118, 53028, 61866, 62076, 72177, 72422, 79812, 92799, 93114, 96236, 108633, 123732, 139671, 144354, 144844, 185598, 186228, 216531, 217266, 279342, 288708, 325899, 362849, 371196, 433062, 434532, 558684, 649593, 651798, 725698, 866124, 977697, 1088547, 1299186, 1303596, 1451396, 1955394, 2177094, 2539943, 2598372, 3265641, 3910788, 4354188, 5079886, 6531282, 7619829, 9796923, 10159772, 13062564, 15239658, 17779601, 19593846, 22859487, 30479316, 35559202, 39187692, 45718974, 53338803, 68578461, 71118404, 91437948, 106677606, 137156922, 160016409, 213355212, 274313844, 320032818, 480049227, 640065636, 960098454, 1920196908]

約数ペア:

[(1, 1920196908), (2, 960098454), (3, 640065636), (4, 480049227), (6, 320032818), (7, 274313844), (9, 213355212), (12, 160016409), (14, 137156922), (18, 106677606), (21, 91437948), (27, 71118404), (28, 68578461), (36, 53338803), (42, 45718974), (49, 39187692), (54, 35559202), (63, 30479316), (84, 22859487), (98, 19593846), (108, 17779601), (126, 15239658), (147, 13062564), (189, 10159772), (196, 9796923), (252, 7619829), (294, 6531282), (378, 5079886), (441, 4354188), (491, 3910788), (588, 3265641), (739, 2598372), (756, 2539943), (882, 2177094), (982, 1955394), (1323, 1451396), (1473, 1303596), (1478, 1299186), (1764, 1088547), (1964, 977697), (2217, 866124), (2646, 725698), (2946, 651798), (2956, 649593), (3437, 558684), (4419, 434532), (4434, 433062), (5173, 371196), (5292, 362849), (5892, 325899), (6651, 288708), (6874, 279342), (8838, 217266), (8868, 216531), (10311, 186228), (10346, 185598), (13257, 144844), (13302, 144354), (13748, 139671), (15519, 123732), (17676, 108633), (19953, 96236), (20622, 93114), (20692, 92799), (24059, 79812), (26514, 72422), (26604, 72177), (30933, 62076), (31038, 61866), (36211, 53028), (39906, 48118), (41244, 46557)]