19122400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 53152848

約数和(自身を除く): 34030448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 41, 44, 50, 53, 55, 80, 82, 88, 100, 106, 110, 160, 164, 176, 200, 205, 212, 220, 265, 275, 328, 352, 400, 410, 424, 440, 451, 530, 550, 583, 656, 800, 820, 848, 880, 902, 1025, 1060, 1100, 1166, 1312, 1325, 1640, 1696, 1760, 1804, 2050, 2120, 2173, 2200, 2255, 2332, 2650, 2915, 3280, 3608, 4100, 4240, 4346, 4400, 4510, 4664, 5300, 5830, 6560, 7216, 8200, 8480, 8692, 8800, 9020, 9328, 10600, 10865, 11275, 11660, 14432, 14575, 16400, 17384, 18040, 18656, 21200, 21730, 22550, 23320, 23903, 29150, 32800, 34768, 36080, 42400, 43460, 45100, 46640, 47806, 54325, 58300, 69536, 72160, 86920, 90200, 93280, 95612, 108650, 116600, 119515, 173840, 180400, 191224, 217300, 233200, 239030, 347680, 360800, 382448, 434600, 466400, 478060, 597575, 764896, 869200, 956120, 1195150, 1738400, 1912240, 2390300, 3824480, 4780600, 9561200, 19122400]

約数ペア:

[(1, 19122400), (2, 9561200), (4, 4780600), (5, 3824480), (8, 2390300), (10, 1912240), (11, 1738400), (16, 1195150), (20, 956120), (22, 869200), (25, 764896), (32, 597575), (40, 478060), (41, 466400), (44, 434600), (50, 382448), (53, 360800), (55, 347680), (80, 239030), (82, 233200), (88, 217300), (100, 191224), (106, 180400), (110, 173840), (160, 119515), (164, 116600), (176, 108650), (200, 95612), (205, 93280), (212, 90200), (220, 86920), (265, 72160), (275, 69536), (328, 58300), (352, 54325), (400, 47806), (410, 46640), (424, 45100), (440, 43460), (451, 42400), (530, 36080), (550, 34768), (583, 32800), (656, 29150), (800, 23903), (820, 23320), (848, 22550), (880, 21730), (902, 21200), (1025, 18656), (1060, 18040), (1100, 17384), (1166, 16400), (1312, 14575), (1325, 14432), (1640, 11660), (1696, 11275), (1760, 10865), (1804, 10600), (2050, 9328), (2120, 9020), (2173, 8800), (2200, 8692), (2255, 8480), (2332, 8200), (2650, 7216), (2915, 6560), (3280, 5830), (3608, 5300), (4100, 4664), (4240, 4510), (4346, 4400)]