181188940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20731}}^1$

素因数の和:20782

約数の個数: 48

約数和(自身を含む): 417957120

約数和(自身を除く): 236768180

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 20731, 41462, 82924, 103655, 207310, 393889, 414620, 476813, 787778, 953626, 1575556, 1907252, 1969445, 2384065, 3938890, 4768130, 7877780, 9059447, 9536260, 18118894, 36237788, 45297235, 90594470, 181188940]

約数ペア:

[(1, 181188940), (2, 90594470), (4, 45297235), (5, 36237788), (10, 18118894), (19, 9536260), (20, 9059447), (23, 7877780), (38, 4768130), (46, 3938890), (76, 2384065), (92, 1969445), (95, 1907252), (115, 1575556), (190, 953626), (230, 787778), (380, 476813), (437, 414620), (460, 393889), (874, 207310), (1748, 103655), (2185, 82924), (4370, 41462), (8740, 20731)]