19747992

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 58982400

約数和(自身を除く): 39234408

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 31, 33, 38, 44, 57, 62, 66, 76, 88, 93, 114, 124, 127, 132, 152, 186, 209, 228, 248, 254, 264, 341, 372, 381, 418, 456, 508, 589, 627, 682, 744, 762, 836, 1016, 1023, 1178, 1254, 1364, 1397, 1524, 1672, 1767, 2046, 2356, 2413, 2508, 2728, 2794, 3048, 3534, 3937, 4092, 4191, 4712, 4826, 5016, 5588, 6479, 7068, 7239, 7874, 8184, 8382, 9652, 11176, 11811, 12958, 14136, 14478, 15748, 16764, 19304, 19437, 23622, 25916, 26543, 28956, 31496, 33528, 38874, 43307, 47244, 51832, 53086, 57912, 74803, 77748, 79629, 86614, 94488, 106172, 129921, 149606, 155496, 159258, 173228, 212344, 224409, 259842, 299212, 318516, 346456, 448818, 519684, 598424, 637032, 822833, 897636, 1039368, 1645666, 1795272, 2468499, 3291332, 4936998, 6582664, 9873996, 19747992]

約数ペア:

[(1, 19747992), (2, 9873996), (3, 6582664), (4, 4936998), (6, 3291332), (8, 2468499), (11, 1795272), (12, 1645666), (19, 1039368), (22, 897636), (24, 822833), (31, 637032), (33, 598424), (38, 519684), (44, 448818), (57, 346456), (62, 318516), (66, 299212), (76, 259842), (88, 224409), (93, 212344), (114, 173228), (124, 159258), (127, 155496), (132, 149606), (152, 129921), (186, 106172), (209, 94488), (228, 86614), (248, 79629), (254, 77748), (264, 74803), (341, 57912), (372, 53086), (381, 51832), (418, 47244), (456, 43307), (508, 38874), (589, 33528), (627, 31496), (682, 28956), (744, 26543), (762, 25916), (836, 23622), (1016, 19437), (1023, 19304), (1178, 16764), (1254, 15748), (1364, 14478), (1397, 14136), (1524, 12958), (1672, 11811), (1767, 11176), (2046, 9652), (2356, 8382), (2413, 8184), (2508, 7874), (2728, 7239), (2794, 7068), (3048, 6479), (3534, 5588), (3937, 5016), (4092, 4826), (4191, 4712)]