19804168216

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{5573}}^1$

素因数の和:5729

約数の個数: 128

約数和(自身を含む): 46232985600

約数和(自身を除く): 26428817384

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 89, 92, 124, 161, 178, 184, 217, 248, 322, 356, 434, 623, 644, 712, 713, 868, 1246, 1288, 1426, 1736, 2047, 2492, 2759, 2852, 4094, 4984, 4991, 5518, 5573, 5704, 8188, 9982, 11036, 11146, 14329, 16376, 19313, 19964, 22072, 22292, 28658, 38626, 39011, 39928, 44584, 57316, 63457, 77252, 78022, 114632, 126914, 128179, 154504, 156044, 172763, 253828, 256358, 312088, 345526, 444199, 495997, 507656, 512716, 691052, 888398, 897253, 991994, 1025432, 1209341, 1382104, 1776796, 1794506, 1983988, 2418682, 3471979, 3553592, 3589012, 3967976, 3973549, 4837364, 6943958, 7178024, 7947098, 9674728, 11407931, 13887916, 15375907, 15894196, 22815862, 27775832, 27814843, 30751814, 31788392, 45631724, 55629686, 61503628, 79855517, 91263448, 107631349, 111259372, 123007256, 159711034, 215262698, 222518744, 319422068, 353645861, 430525396, 638844136, 707291722, 861050792, 1414583444, 2475521027, 2829166888, 4951042054, 9902084108, 19804168216]

約数ペア:

[(1, 19804168216), (2, 9902084108), (4, 4951042054), (7, 2829166888), (8, 2475521027), (14, 1414583444), (23, 861050792), (28, 707291722), (31, 638844136), (46, 430525396), (56, 353645861), (62, 319422068), (89, 222518744), (92, 215262698), (124, 159711034), (161, 123007256), (178, 111259372), (184, 107631349), (217, 91263448), (248, 79855517), (322, 61503628), (356, 55629686), (434, 45631724), (623, 31788392), (644, 30751814), (712, 27814843), (713, 27775832), (868, 22815862), (1246, 15894196), (1288, 15375907), (1426, 13887916), (1736, 11407931), (2047, 9674728), (2492, 7947098), (2759, 7178024), (2852, 6943958), (4094, 4837364), (4984, 3973549), (4991, 3967976), (5518, 3589012), (5573, 3553592), (5704, 3471979), (8188, 2418682), (9982, 1983988), (11036, 1794506), (11146, 1776796), (14329, 1382104), (16376, 1209341), (19313, 1025432), (19964, 991994), (22072, 897253), (22292, 888398), (28658, 691052), (38626, 512716), (39011, 507656), (39928, 495997), (44584, 444199), (57316, 345526), (63457, 312088), (77252, 256358), (78022, 253828), (114632, 172763), (126914, 156044), (128179, 154504)]