18080860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 47029248

約数和(自身を除く): 28948388

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 71, 85, 107, 119, 140, 142, 170, 214, 238, 284, 340, 355, 428, 476, 497, 535, 595, 710, 749, 994, 1070, 1190, 1207, 1420, 1498, 1819, 1988, 2140, 2380, 2414, 2485, 2996, 3638, 3745, 4828, 4970, 6035, 7276, 7490, 7597, 8449, 9095, 9940, 12070, 12733, 14980, 15194, 16898, 18190, 24140, 25466, 30388, 33796, 36380, 37985, 42245, 50932, 53179, 63665, 75970, 84490, 106358, 127330, 129149, 151940, 168980, 212716, 254660, 258298, 265895, 516596, 531790, 645745, 904043, 1063580, 1291490, 1808086, 2582980, 3616172, 4520215, 9040430, 18080860]

約数ペア:

[(1, 18080860), (2, 9040430), (4, 4520215), (5, 3616172), (7, 2582980), (10, 1808086), (14, 1291490), (17, 1063580), (20, 904043), (28, 645745), (34, 531790), (35, 516596), (68, 265895), (70, 258298), (71, 254660), (85, 212716), (107, 168980), (119, 151940), (140, 129149), (142, 127330), (170, 106358), (214, 84490), (238, 75970), (284, 63665), (340, 53179), (355, 50932), (428, 42245), (476, 37985), (497, 36380), (535, 33796), (595, 30388), (710, 25466), (749, 24140), (994, 18190), (1070, 16898), (1190, 15194), (1207, 14980), (1420, 12733), (1498, 12070), (1819, 9940), (1988, 9095), (2140, 8449), (2380, 7597), (2414, 7490), (2485, 7276), (2996, 6035), (3638, 4970), (3745, 4828)]