18894384

素因数分解:

$2^4\times 3^4\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 100

約数和(自身を含む): 55814880

約数和(自身を除く): 36920496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 61, 72, 81, 108, 122, 144, 162, 183, 216, 239, 244, 324, 366, 432, 478, 488, 549, 648, 717, 732, 956, 976, 1098, 1296, 1434, 1464, 1647, 1912, 2151, 2196, 2868, 2928, 3294, 3824, 4302, 4392, 4941, 5736, 6453, 6588, 8604, 8784, 9882, 11472, 12906, 13176, 14579, 17208, 19359, 19764, 25812, 26352, 29158, 34416, 38718, 39528, 43737, 51624, 58316, 77436, 79056, 87474, 103248, 116632, 131211, 154872, 174948, 233264, 262422, 309744, 349896, 393633, 524844, 699792, 787266, 1049688, 1180899, 1574532, 2099376, 2361798, 3149064, 4723596, 6298128, 9447192, 18894384]

約数ペア:

[(1, 18894384), (2, 9447192), (3, 6298128), (4, 4723596), (6, 3149064), (8, 2361798), (9, 2099376), (12, 1574532), (16, 1180899), (18, 1049688), (24, 787266), (27, 699792), (36, 524844), (48, 393633), (54, 349896), (61, 309744), (72, 262422), (81, 233264), (108, 174948), (122, 154872), (144, 131211), (162, 116632), (183, 103248), (216, 87474), (239, 79056), (244, 77436), (324, 58316), (366, 51624), (432, 43737), (478, 39528), (488, 38718), (549, 34416), (648, 29158), (717, 26352), (732, 25812), (956, 19764), (976, 19359), (1098, 17208), (1296, 14579), (1434, 13176), (1464, 12906), (1647, 11472), (1912, 9882), (2151, 8784), (2196, 8604), (2868, 6588), (2928, 6453), (3294, 5736), (3824, 4941), (4302, 4392)]