18193280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 51701760

約数和(自身を除く): 33508480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 131, 140, 155, 160, 217, 224, 248, 262, 280, 310, 320, 434, 448, 496, 524, 560, 620, 640, 655, 868, 896, 917, 992, 1048, 1085, 1120, 1240, 1310, 1736, 1834, 1984, 2096, 2170, 2240, 2480, 2620, 3472, 3668, 3968, 4061, 4192, 4340, 4480, 4585, 4960, 5240, 6944, 7336, 8122, 8384, 8680, 9170, 9920, 10480, 13888, 14672, 16244, 16768, 17360, 18340, 19840, 20305, 20960, 27776, 28427, 29344, 32488, 34720, 36680, 40610, 41920, 56854, 58688, 64976, 69440, 73360, 81220, 83840, 113708, 117376, 129952, 138880, 142135, 146720, 162440, 227416, 259904, 284270, 293440, 324880, 454832, 519808, 568540, 586880, 649760, 909664, 1137080, 1299520, 1819328, 2274160, 2599040, 3638656, 4548320, 9096640, 18193280]

約数ペア:

[(1, 18193280), (2, 9096640), (4, 4548320), (5, 3638656), (7, 2599040), (8, 2274160), (10, 1819328), (14, 1299520), (16, 1137080), (20, 909664), (28, 649760), (31, 586880), (32, 568540), (35, 519808), (40, 454832), (56, 324880), (62, 293440), (64, 284270), (70, 259904), (80, 227416), (112, 162440), (124, 146720), (128, 142135), (131, 138880), (140, 129952), (155, 117376), (160, 113708), (217, 83840), (224, 81220), (248, 73360), (262, 69440), (280, 64976), (310, 58688), (320, 56854), (434, 41920), (448, 40610), (496, 36680), (524, 34720), (560, 32488), (620, 29344), (640, 28427), (655, 27776), (868, 20960), (896, 20305), (917, 19840), (992, 18340), (1048, 17360), (1085, 16768), (1120, 16244), (1240, 14672), (1310, 13888), (1736, 10480), (1834, 9920), (1984, 9170), (2096, 8680), (2170, 8384), (2240, 8122), (2480, 7336), (2620, 6944), (3472, 5240), (3668, 4960), (3968, 4585), (4061, 4480), (4192, 4340)]