19830224

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:148

約数の個数: 80

約数和(自身を含む): 43538880

約数和(自身を除く): 23708656

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 41, 43, 74, 76, 82, 86, 148, 152, 164, 172, 296, 304, 328, 344, 592, 656, 688, 703, 779, 817, 1406, 1517, 1558, 1591, 1634, 1763, 2812, 3034, 3116, 3182, 3268, 3526, 5624, 6068, 6232, 6364, 6536, 7052, 11248, 12136, 12464, 12728, 13072, 14104, 24272, 25456, 28208, 28823, 30229, 33497, 57646, 60458, 65231, 66994, 115292, 120916, 130462, 133988, 230584, 241832, 260924, 267976, 461168, 483664, 521848, 535952, 1043696, 1239389, 2478778, 4957556, 9915112, 19830224]

約数ペア:

[(1, 19830224), (2, 9915112), (4, 4957556), (8, 2478778), (16, 1239389), (19, 1043696), (37, 535952), (38, 521848), (41, 483664), (43, 461168), (74, 267976), (76, 260924), (82, 241832), (86, 230584), (148, 133988), (152, 130462), (164, 120916), (172, 115292), (296, 66994), (304, 65231), (328, 60458), (344, 57646), (592, 33497), (656, 30229), (688, 28823), (703, 28208), (779, 25456), (817, 24272), (1406, 14104), (1517, 13072), (1558, 12728), (1591, 12464), (1634, 12136), (1763, 11248), (2812, 7052), (3034, 6536), (3116, 6364), (3182, 6232), (3268, 6068), (3526, 5624)]