18339864

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 49612800

約数和(自身を除く): 31272936

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 444, 456, 703, 888, 1087, 1406, 2109, 2174, 2812, 3261, 4218, 4348, 5624, 6522, 8436, 8696, 13044, 16872, 20653, 26088, 40219, 41306, 61959, 80438, 82612, 120657, 123918, 160876, 165224, 241314, 247836, 321752, 482628, 495672, 764161, 965256, 1528322, 2292483, 3056644, 4584966, 6113288, 9169932, 18339864]

約数ペア:

[(1, 18339864), (2, 9169932), (3, 6113288), (4, 4584966), (6, 3056644), (8, 2292483), (12, 1528322), (19, 965256), (24, 764161), (37, 495672), (38, 482628), (57, 321752), (74, 247836), (76, 241314), (111, 165224), (114, 160876), (148, 123918), (152, 120657), (222, 82612), (228, 80438), (296, 61959), (444, 41306), (456, 40219), (703, 26088), (888, 20653), (1087, 16872), (1406, 13044), (2109, 8696), (2174, 8436), (2812, 6522), (3261, 5624), (4218, 4348)]