19906452

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 55440000

約数和(自身を除く): 35533548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 89, 108, 109, 114, 171, 178, 218, 228, 267, 327, 342, 356, 436, 513, 534, 654, 684, 801, 981, 1026, 1068, 1308, 1602, 1691, 1962, 2052, 2071, 2403, 2943, 3204, 3382, 3924, 4142, 4806, 5073, 5886, 6213, 6764, 8284, 9612, 9701, 10146, 11772, 12426, 15219, 18639, 19402, 20292, 24852, 29103, 30438, 37278, 38804, 45657, 55917, 58206, 60876, 74556, 87309, 91314, 111834, 116412, 174618, 182628, 184319, 223668, 261927, 349236, 368638, 523854, 552957, 737276, 1047708, 1105914, 1658871, 2211828, 3317742, 4976613, 6635484, 9953226, 19906452]

約数ペア:

[(1, 19906452), (2, 9953226), (3, 6635484), (4, 4976613), (6, 3317742), (9, 2211828), (12, 1658871), (18, 1105914), (19, 1047708), (27, 737276), (36, 552957), (38, 523854), (54, 368638), (57, 349236), (76, 261927), (89, 223668), (108, 184319), (109, 182628), (114, 174618), (171, 116412), (178, 111834), (218, 91314), (228, 87309), (267, 74556), (327, 60876), (342, 58206), (356, 55917), (436, 45657), (513, 38804), (534, 37278), (654, 30438), (684, 29103), (801, 24852), (981, 20292), (1026, 19402), (1068, 18639), (1308, 15219), (1602, 12426), (1691, 11772), (1962, 10146), (2052, 9701), (2071, 9612), (2403, 8284), (2943, 6764), (3204, 6213), (3382, 5886), (3924, 5073), (4142, 4806)]