18477760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 112

約数和(自身を含む): 51425856

約数和(自身を除く): 32948096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 113, 140, 146, 160, 224, 226, 280, 292, 320, 365, 448, 452, 511, 560, 565, 584, 730, 791, 904, 1022, 1120, 1130, 1168, 1460, 1582, 1808, 2044, 2240, 2260, 2336, 2555, 2920, 3164, 3616, 3955, 4088, 4520, 4672, 5110, 5840, 6328, 7232, 7910, 8176, 8249, 9040, 10220, 11680, 12656, 15820, 16352, 16498, 18080, 20440, 23360, 25312, 31640, 32704, 32996, 36160, 40880, 41245, 50624, 57743, 63280, 65992, 81760, 82490, 115486, 126560, 131984, 163520, 164980, 230972, 253120, 263968, 288715, 329960, 461944, 527936, 577430, 659920, 923888, 1154860, 1319840, 1847776, 2309720, 2639680, 3695552, 4619440, 9238880, 18477760]

約数ペア:

[(1, 18477760), (2, 9238880), (4, 4619440), (5, 3695552), (7, 2639680), (8, 2309720), (10, 1847776), (14, 1319840), (16, 1154860), (20, 923888), (28, 659920), (32, 577430), (35, 527936), (40, 461944), (56, 329960), (64, 288715), (70, 263968), (73, 253120), (80, 230972), (112, 164980), (113, 163520), (140, 131984), (146, 126560), (160, 115486), (224, 82490), (226, 81760), (280, 65992), (292, 63280), (320, 57743), (365, 50624), (448, 41245), (452, 40880), (511, 36160), (560, 32996), (565, 32704), (584, 31640), (730, 25312), (791, 23360), (904, 20440), (1022, 18080), (1120, 16498), (1130, 16352), (1168, 15820), (1460, 12656), (1582, 11680), (1808, 10220), (2044, 9040), (2240, 8249), (2260, 8176), (2336, 7910), (2555, 7232), (2920, 6328), (3164, 5840), (3616, 5110), (3955, 4672), (4088, 4520)]