18649428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 52254720

約数和(自身を除く): 33605292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 59, 71, 84, 106, 118, 142, 159, 177, 212, 213, 236, 284, 318, 354, 371, 413, 426, 497, 636, 708, 742, 826, 852, 994, 1113, 1239, 1484, 1491, 1652, 1988, 2226, 2478, 2982, 3127, 3763, 4189, 4452, 4956, 5964, 6254, 7526, 8378, 9381, 11289, 12508, 12567, 15052, 16756, 18762, 21889, 22578, 25134, 26341, 29323, 37524, 43778, 45156, 50268, 52682, 58646, 65667, 79023, 87556, 87969, 105364, 117292, 131334, 158046, 175938, 222017, 262668, 316092, 351876, 444034, 666051, 888068, 1332102, 1554119, 2664204, 3108238, 4662357, 6216476, 9324714, 18649428]

約数ペア:

[(1, 18649428), (2, 9324714), (3, 6216476), (4, 4662357), (6, 3108238), (7, 2664204), (12, 1554119), (14, 1332102), (21, 888068), (28, 666051), (42, 444034), (53, 351876), (59, 316092), (71, 262668), (84, 222017), (106, 175938), (118, 158046), (142, 131334), (159, 117292), (177, 105364), (212, 87969), (213, 87556), (236, 79023), (284, 65667), (318, 58646), (354, 52682), (371, 50268), (413, 45156), (426, 43778), (497, 37524), (636, 29323), (708, 26341), (742, 25134), (826, 22578), (852, 21889), (994, 18762), (1113, 16756), (1239, 15052), (1484, 12567), (1491, 12508), (1652, 11289), (1988, 9381), (2226, 8378), (2478, 7526), (2982, 6254), (3127, 5964), (3763, 4956), (4189, 4452)]