19003908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 56060928

約数和(自身を除く): 37057020

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 131, 132, 154, 157, 231, 262, 308, 314, 393, 462, 471, 524, 628, 786, 917, 924, 942, 1099, 1441, 1572, 1727, 1834, 1884, 2198, 2751, 2882, 3297, 3454, 3668, 4323, 4396, 5181, 5502, 5764, 6594, 6908, 8646, 10087, 10362, 11004, 12089, 13188, 17292, 20174, 20567, 20724, 24178, 30261, 36267, 40348, 41134, 48356, 60522, 61701, 72534, 82268, 121044, 123402, 143969, 145068, 226237, 246804, 287938, 431907, 452474, 575876, 678711, 863814, 904948, 1357422, 1583659, 1727628, 2714844, 3167318, 4750977, 6334636, 9501954, 19003908]

約数ペア:

[(1, 19003908), (2, 9501954), (3, 6334636), (4, 4750977), (6, 3167318), (7, 2714844), (11, 1727628), (12, 1583659), (14, 1357422), (21, 904948), (22, 863814), (28, 678711), (33, 575876), (42, 452474), (44, 431907), (66, 287938), (77, 246804), (84, 226237), (131, 145068), (132, 143969), (154, 123402), (157, 121044), (231, 82268), (262, 72534), (308, 61701), (314, 60522), (393, 48356), (462, 41134), (471, 40348), (524, 36267), (628, 30261), (786, 24178), (917, 20724), (924, 20567), (942, 20174), (1099, 17292), (1441, 13188), (1572, 12089), (1727, 11004), (1834, 10362), (1884, 10087), (2198, 8646), (2751, 6908), (2882, 6594), (3297, 5764), (3454, 5502), (3668, 5181), (4323, 4396)]