16219808

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 72

約数和(自身を含む): 36197280

約数和(自身を除く): 19977472

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 71, 88, 118, 121, 142, 176, 236, 242, 284, 352, 472, 484, 568, 649, 781, 944, 968, 1136, 1298, 1562, 1888, 1936, 2272, 2596, 3124, 3872, 4189, 5192, 6248, 7139, 8378, 8591, 10384, 12496, 14278, 16756, 17182, 20768, 24992, 28556, 33512, 34364, 46079, 57112, 67024, 68728, 92158, 114224, 134048, 137456, 184316, 228448, 274912, 368632, 506869, 737264, 1013738, 1474528, 2027476, 4054952, 8109904, 16219808]

約数ペア:

[(1, 16219808), (2, 8109904), (4, 4054952), (8, 2027476), (11, 1474528), (16, 1013738), (22, 737264), (32, 506869), (44, 368632), (59, 274912), (71, 228448), (88, 184316), (118, 137456), (121, 134048), (142, 114224), (176, 92158), (236, 68728), (242, 67024), (284, 57112), (352, 46079), (472, 34364), (484, 33512), (568, 28556), (649, 24992), (781, 20768), (944, 17182), (968, 16756), (1136, 14278), (1298, 12496), (1562, 10384), (1888, 8591), (1936, 8378), (2272, 7139), (2596, 6248), (3124, 5192), (3872, 4189)]