18920076

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1399}}^1$

素因数の和:1443

約数の個数: 72

約数和(自身を含む): 53625600

約数和(自身を除く): 34705524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 49, 69, 84, 92, 98, 138, 147, 161, 196, 276, 294, 322, 483, 588, 644, 966, 1127, 1399, 1932, 2254, 2798, 3381, 4197, 4508, 5596, 6762, 8394, 9793, 13524, 16788, 19586, 29379, 32177, 39172, 58758, 64354, 68551, 96531, 117516, 128708, 137102, 193062, 205653, 225239, 274204, 386124, 411306, 450478, 675717, 822612, 900956, 1351434, 1576673, 2702868, 3153346, 4730019, 6306692, 9460038, 18920076]

約数ペア:

[(1, 18920076), (2, 9460038), (3, 6306692), (4, 4730019), (6, 3153346), (7, 2702868), (12, 1576673), (14, 1351434), (21, 900956), (23, 822612), (28, 675717), (42, 450478), (46, 411306), (49, 386124), (69, 274204), (84, 225239), (92, 205653), (98, 193062), (138, 137102), (147, 128708), (161, 117516), (196, 96531), (276, 68551), (294, 64354), (322, 58758), (483, 39172), (588, 32177), (644, 29379), (966, 19586), (1127, 16788), (1399, 13524), (1932, 9793), (2254, 8394), (2798, 6762), (3381, 5596), (4197, 4508)]