19921608

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 65220480

約数和(自身を除く): 45298872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 29, 36, 42, 47, 56, 58, 63, 72, 84, 87, 94, 116, 126, 141, 168, 174, 188, 203, 232, 252, 261, 282, 329, 348, 376, 406, 423, 504, 522, 564, 609, 658, 696, 812, 841, 846, 987, 1044, 1128, 1218, 1316, 1363, 1624, 1682, 1692, 1827, 1974, 2088, 2436, 2523, 2632, 2726, 2961, 3364, 3384, 3654, 3948, 4089, 4872, 5046, 5452, 5887, 5922, 6728, 7308, 7569, 7896, 8178, 9541, 10092, 10904, 11774, 11844, 12267, 14616, 15138, 16356, 17661, 19082, 20184, 23548, 23688, 24534, 28623, 30276, 32712, 35322, 38164, 39527, 47096, 49068, 52983, 57246, 60552, 70644, 76328, 79054, 85869, 98136, 105966, 114492, 118581, 141288, 158108, 171738, 211932, 228984, 237162, 276689, 316216, 343476, 355743, 423864, 474324, 553378, 686952, 711486, 830067, 948648, 1106756, 1422972, 1660134, 2213512, 2490201, 2845944, 3320268, 4980402, 6640536, 9960804, 19921608]

約数ペア:

[(1, 19921608), (2, 9960804), (3, 6640536), (4, 4980402), (6, 3320268), (7, 2845944), (8, 2490201), (9, 2213512), (12, 1660134), (14, 1422972), (18, 1106756), (21, 948648), (24, 830067), (28, 711486), (29, 686952), (36, 553378), (42, 474324), (47, 423864), (56, 355743), (58, 343476), (63, 316216), (72, 276689), (84, 237162), (87, 228984), (94, 211932), (116, 171738), (126, 158108), (141, 141288), (168, 118581), (174, 114492), (188, 105966), (203, 98136), (232, 85869), (252, 79054), (261, 76328), (282, 70644), (329, 60552), (348, 57246), (376, 52983), (406, 49068), (423, 47096), (504, 39527), (522, 38164), (564, 35322), (609, 32712), (658, 30276), (696, 28623), (812, 24534), (841, 23688), (846, 23548), (987, 20184), (1044, 19082), (1128, 17661), (1218, 16356), (1316, 15138), (1363, 14616), (1624, 12267), (1682, 11844), (1692, 11774), (1827, 10904), (1974, 10092), (2088, 9541), (2436, 8178), (2523, 7896), (2632, 7569), (2726, 7308), (2961, 6728), (3364, 5922), (3384, 5887), (3654, 5452), (3948, 5046), (4089, 4872)]