19693128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 61931520

約数和(自身を除く): 42238392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 71, 78, 84, 91, 104, 127, 142, 156, 168, 182, 213, 254, 273, 284, 312, 364, 381, 426, 497, 508, 546, 568, 728, 762, 852, 889, 923, 994, 1016, 1092, 1491, 1524, 1651, 1704, 1778, 1846, 1988, 2184, 2667, 2769, 2982, 3048, 3302, 3556, 3692, 3976, 4953, 5334, 5538, 5964, 6461, 6604, 7112, 7384, 9017, 9906, 10668, 11076, 11557, 11928, 12922, 13208, 18034, 19383, 19812, 21336, 22152, 23114, 25844, 27051, 34671, 36068, 38766, 39624, 46228, 51688, 54102, 63119, 69342, 72136, 77532, 92456, 108204, 117221, 126238, 138684, 155064, 189357, 216408, 234442, 252476, 277368, 351663, 378714, 468884, 504952, 703326, 757428, 820547, 937768, 1406652, 1514856, 1641094, 2461641, 2813304, 3282188, 4923282, 6564376, 9846564, 19693128]

約数ペア:

[(1, 19693128), (2, 9846564), (3, 6564376), (4, 4923282), (6, 3282188), (7, 2813304), (8, 2461641), (12, 1641094), (13, 1514856), (14, 1406652), (21, 937768), (24, 820547), (26, 757428), (28, 703326), (39, 504952), (42, 468884), (52, 378714), (56, 351663), (71, 277368), (78, 252476), (84, 234442), (91, 216408), (104, 189357), (127, 155064), (142, 138684), (156, 126238), (168, 117221), (182, 108204), (213, 92456), (254, 77532), (273, 72136), (284, 69342), (312, 63119), (364, 54102), (381, 51688), (426, 46228), (497, 39624), (508, 38766), (546, 36068), (568, 34671), (728, 27051), (762, 25844), (852, 23114), (889, 22152), (923, 21336), (994, 19812), (1016, 19383), (1092, 18034), (1491, 13208), (1524, 12922), (1651, 11928), (1704, 11557), (1778, 11076), (1846, 10668), (1988, 9906), (2184, 9017), (2667, 7384), (2769, 7112), (2982, 6604), (3048, 6461), (3302, 5964), (3556, 5538), (3692, 5334), (3976, 4953)]