18379520

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 44812656

約数和(自身を除く): 26433136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 173, 256, 320, 332, 346, 415, 640, 664, 692, 830, 865, 1280, 1328, 1384, 1660, 1730, 2656, 2768, 3320, 3460, 5312, 5536, 6640, 6920, 10624, 11072, 13280, 13840, 14359, 21248, 22144, 26560, 27680, 28718, 44288, 53120, 55360, 57436, 71795, 106240, 110720, 114872, 143590, 221440, 229744, 287180, 459488, 574360, 918976, 1148720, 1837952, 2297440, 3675904, 4594880, 9189760, 18379520]

約数ペア:

[(1, 18379520), (2, 9189760), (4, 4594880), (5, 3675904), (8, 2297440), (10, 1837952), (16, 1148720), (20, 918976), (32, 574360), (40, 459488), (64, 287180), (80, 229744), (83, 221440), (128, 143590), (160, 114872), (166, 110720), (173, 106240), (256, 71795), (320, 57436), (332, 55360), (346, 53120), (415, 44288), (640, 28718), (664, 27680), (692, 26560), (830, 22144), (865, 21248), (1280, 14359), (1328, 13840), (1384, 13280), (1660, 11072), (1730, 10624), (2656, 6920), (2768, 6640), (3320, 5536), (3460, 5312)]