18902912

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 46344720

約数和(自身を除く): 27441808

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 73, 112, 119, 128, 136, 146, 224, 238, 272, 289, 292, 448, 476, 511, 544, 578, 584, 896, 952, 1022, 1088, 1156, 1168, 1241, 1904, 2023, 2044, 2176, 2312, 2336, 2482, 3808, 4046, 4088, 4624, 4672, 4964, 7616, 8092, 8176, 8687, 9248, 9344, 9928, 15232, 16184, 16352, 17374, 18496, 19856, 21097, 32368, 32704, 34748, 36992, 39712, 42194, 64736, 65408, 69496, 79424, 84388, 129472, 138992, 147679, 158848, 168776, 258944, 277984, 295358, 337552, 555968, 590716, 675104, 1111936, 1181432, 1350208, 2362864, 2700416, 4725728, 9451456, 18902912]

約数ペア:

[(1, 18902912), (2, 9451456), (4, 4725728), (7, 2700416), (8, 2362864), (14, 1350208), (16, 1181432), (17, 1111936), (28, 675104), (32, 590716), (34, 555968), (56, 337552), (64, 295358), (68, 277984), (73, 258944), (112, 168776), (119, 158848), (128, 147679), (136, 138992), (146, 129472), (224, 84388), (238, 79424), (272, 69496), (289, 65408), (292, 64736), (448, 42194), (476, 39712), (511, 36992), (544, 34748), (578, 32704), (584, 32368), (896, 21097), (952, 19856), (1022, 18496), (1088, 17374), (1156, 16352), (1168, 16184), (1241, 15232), (1904, 9928), (2023, 9344), (2044, 9248), (2176, 8687), (2312, 8176), (2336, 8092), (2482, 7616), (3808, 4964), (4046, 4672), (4088, 4624)]