19916688

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 57067776

約数和(自身を除く): 37151088

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 67, 88, 132, 134, 176, 201, 264, 268, 402, 528, 536, 563, 737, 804, 1072, 1126, 1474, 1608, 1689, 2211, 2252, 2948, 3216, 3378, 4422, 4504, 5896, 6193, 6756, 8844, 9008, 11792, 12386, 13512, 17688, 18579, 24772, 27024, 35376, 37158, 37721, 49544, 74316, 75442, 99088, 113163, 148632, 150884, 226326, 297264, 301768, 414931, 452652, 603536, 829862, 905304, 1244793, 1659724, 1810608, 2489586, 3319448, 4979172, 6638896, 9958344, 19916688]

約数ペア:

[(1, 19916688), (2, 9958344), (3, 6638896), (4, 4979172), (6, 3319448), (8, 2489586), (11, 1810608), (12, 1659724), (16, 1244793), (22, 905304), (24, 829862), (33, 603536), (44, 452652), (48, 414931), (66, 301768), (67, 297264), (88, 226326), (132, 150884), (134, 148632), (176, 113163), (201, 99088), (264, 75442), (268, 74316), (402, 49544), (528, 37721), (536, 37158), (563, 35376), (737, 27024), (804, 24772), (1072, 18579), (1126, 17688), (1474, 13512), (1608, 12386), (1689, 11792), (2211, 9008), (2252, 8844), (2948, 6756), (3216, 6193), (3378, 5896), (4422, 4504)]