19928454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:174

約数の個数: 128

約数和(自身を含む): 55157760

約数和(自身を除く): 35229306

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 19, 21, 26, 34, 38, 39, 42, 51, 57, 78, 91, 102, 113, 114, 119, 133, 182, 221, 226, 238, 247, 266, 273, 323, 339, 357, 399, 442, 494, 546, 646, 663, 678, 714, 741, 791, 798, 969, 1326, 1469, 1482, 1547, 1582, 1729, 1921, 1938, 2147, 2261, 2373, 2938, 3094, 3458, 3842, 4199, 4294, 4407, 4522, 4641, 4746, 5187, 5763, 6441, 6783, 8398, 8814, 9282, 10283, 10374, 11526, 12597, 12882, 13447, 13566, 15029, 20566, 24973, 25194, 26894, 27911, 29393, 30058, 30849, 36499, 40341, 45087, 49946, 55822, 58786, 61698, 72998, 74919, 80682, 83733, 88179, 90174, 109497, 149838, 167466, 174811, 176358, 195377, 218994, 255493, 349622, 390754, 474487, 510986, 524433, 586131, 766479, 948974, 1048866, 1172262, 1423461, 1532958, 2846922, 3321409, 6642818, 9964227, 19928454]

約数ペア:

[(1, 19928454), (2, 9964227), (3, 6642818), (6, 3321409), (7, 2846922), (13, 1532958), (14, 1423461), (17, 1172262), (19, 1048866), (21, 948974), (26, 766479), (34, 586131), (38, 524433), (39, 510986), (42, 474487), (51, 390754), (57, 349622), (78, 255493), (91, 218994), (102, 195377), (113, 176358), (114, 174811), (119, 167466), (133, 149838), (182, 109497), (221, 90174), (226, 88179), (238, 83733), (247, 80682), (266, 74919), (273, 72998), (323, 61698), (339, 58786), (357, 55822), (399, 49946), (442, 45087), (494, 40341), (546, 36499), (646, 30849), (663, 30058), (678, 29393), (714, 27911), (741, 26894), (791, 25194), (798, 24973), (969, 20566), (1326, 15029), (1469, 13566), (1482, 13447), (1547, 12882), (1582, 12597), (1729, 11526), (1921, 10374), (1938, 10283), (2147, 9282), (2261, 8814), (2373, 8398), (2938, 6783), (3094, 6441), (3458, 5763), (3842, 5187), (4199, 4746), (4294, 4641), (4407, 4522)]