18784354864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{5011}}^1$

素因数の和:5127

約数の個数: 120

約数和(自身を含む): 42621647040

約数和(自身を除く): 23837292176

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 59, 76, 88, 118, 152, 176, 209, 236, 304, 361, 418, 472, 649, 722, 836, 944, 1121, 1298, 1444, 1672, 2242, 2596, 2888, 3344, 3971, 4484, 5011, 5192, 5776, 7942, 8968, 10022, 10384, 12331, 15884, 17936, 20044, 21299, 24662, 31768, 40088, 42598, 49324, 55121, 63536, 80176, 85196, 95209, 98648, 110242, 170392, 190418, 197296, 220484, 234289, 295649, 340784, 380836, 440968, 468578, 591298, 761672, 881936, 937156, 1047299, 1182596, 1523344, 1808971, 1874312, 2094598, 2365192, 3252139, 3617942, 3748624, 4189196, 4730384, 5617331, 6504278, 7235884, 8378392, 11234662, 13008556, 14471768, 16756784, 19898681, 22469324, 26017112, 28943536, 39797362, 44938648, 52034224, 61790641, 79594724, 89877296, 106729289, 123581282, 159189448, 213458578, 247162564, 318378896, 426917156, 494325128, 853834312, 988650256, 1174022179, 1707668624, 2348044358, 4696088716, 9392177432, 18784354864]

約数ペア:

[(1, 18784354864), (2, 9392177432), (4, 4696088716), (8, 2348044358), (11, 1707668624), (16, 1174022179), (19, 988650256), (22, 853834312), (38, 494325128), (44, 426917156), (59, 318378896), (76, 247162564), (88, 213458578), (118, 159189448), (152, 123581282), (176, 106729289), (209, 89877296), (236, 79594724), (304, 61790641), (361, 52034224), (418, 44938648), (472, 39797362), (649, 28943536), (722, 26017112), (836, 22469324), (944, 19898681), (1121, 16756784), (1298, 14471768), (1444, 13008556), (1672, 11234662), (2242, 8378392), (2596, 7235884), (2888, 6504278), (3344, 5617331), (3971, 4730384), (4484, 4189196), (5011, 3748624), (5192, 3617942), (5776, 3252139), (7942, 2365192), (8968, 2094598), (10022, 1874312), (10384, 1808971), (12331, 1523344), (15884, 1182596), (17936, 1047299), (20044, 937156), (21299, 881936), (24662, 761672), (31768, 591298), (40088, 468578), (42598, 440968), (49324, 380836), (55121, 340784), (63536, 295649), (80176, 234289), (85196, 220484), (95209, 197296), (98648, 190418), (110242, 170392)]