18673930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 39211776

約数和(自身を除く): 20537846

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 61, 110, 115, 121, 122, 230, 242, 253, 305, 506, 605, 610, 671, 1210, 1265, 1331, 1342, 1403, 2530, 2662, 2783, 2806, 3355, 5566, 6655, 6710, 7015, 7381, 13310, 13915, 14030, 14762, 15433, 27830, 30613, 30866, 36905, 61226, 73810, 77165, 81191, 153065, 154330, 162382, 169763, 306130, 339526, 405955, 811910, 848815, 1697630, 1867393, 3734786, 9336965, 18673930]

約数ペア:

[(1, 18673930), (2, 9336965), (5, 3734786), (10, 1867393), (11, 1697630), (22, 848815), (23, 811910), (46, 405955), (55, 339526), (61, 306130), (110, 169763), (115, 162382), (121, 154330), (122, 153065), (230, 81191), (242, 77165), (253, 73810), (305, 61226), (506, 36905), (605, 30866), (610, 30613), (671, 27830), (1210, 15433), (1265, 14762), (1331, 14030), (1342, 13915), (1403, 13310), (2530, 7381), (2662, 7015), (2783, 6710), (2806, 6655), (3355, 5566)]