18913360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 48389760

約数和(自身を除く): 29476400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 541, 760, 874, 920, 1082, 1520, 1748, 1840, 2164, 2185, 2705, 3496, 4328, 4370, 5410, 6992, 8656, 8740, 10279, 10820, 12443, 17480, 20558, 21640, 24886, 34960, 41116, 43280, 49772, 51395, 62215, 82232, 99544, 102790, 124430, 164464, 199088, 205580, 236417, 248860, 411160, 472834, 497720, 822320, 945668, 995440, 1182085, 1891336, 2364170, 3782672, 4728340, 9456680, 18913360]

約数ペア:

[(1, 18913360), (2, 9456680), (4, 4728340), (5, 3782672), (8, 2364170), (10, 1891336), (16, 1182085), (19, 995440), (20, 945668), (23, 822320), (38, 497720), (40, 472834), (46, 411160), (76, 248860), (80, 236417), (92, 205580), (95, 199088), (115, 164464), (152, 124430), (184, 102790), (190, 99544), (230, 82232), (304, 62215), (368, 51395), (380, 49772), (437, 43280), (460, 41116), (541, 34960), (760, 24886), (874, 21640), (920, 20558), (1082, 17480), (1520, 12443), (1748, 10820), (1840, 10279), (2164, 8740), (2185, 8656), (2705, 6992), (3496, 5410), (4328, 4370)]