19640112

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 53425152

約数和(自身を除く): 33785040

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 67, 93, 124, 134, 186, 197, 201, 248, 268, 372, 394, 402, 496, 536, 591, 744, 788, 804, 1072, 1182, 1488, 1576, 1608, 2077, 2364, 3152, 3216, 4154, 4728, 6107, 6231, 8308, 9456, 12214, 12462, 13199, 16616, 18321, 24428, 24924, 26398, 33232, 36642, 39597, 48856, 49848, 52796, 73284, 79194, 97712, 99696, 105592, 146568, 158388, 211184, 293136, 316776, 409169, 633552, 818338, 1227507, 1636676, 2455014, 3273352, 4910028, 6546704, 9820056, 19640112]

約数ペア:

[(1, 19640112), (2, 9820056), (3, 6546704), (4, 4910028), (6, 3273352), (8, 2455014), (12, 1636676), (16, 1227507), (24, 818338), (31, 633552), (48, 409169), (62, 316776), (67, 293136), (93, 211184), (124, 158388), (134, 146568), (186, 105592), (197, 99696), (201, 97712), (248, 79194), (268, 73284), (372, 52796), (394, 49848), (402, 48856), (496, 39597), (536, 36642), (591, 33232), (744, 26398), (788, 24924), (804, 24428), (1072, 18321), (1182, 16616), (1488, 13199), (1576, 12462), (1608, 12214), (2077, 9456), (2364, 8308), (3152, 6231), (3216, 6107), (4154, 4728)]