19298840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1907}}^1$

素因数の和:1952

約数の個数: 64

約数和(自身を含む): 49455360

約数和(自身を除く): 30156520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1907, 2024, 2530, 3814, 5060, 7628, 9535, 10120, 15256, 19070, 20977, 38140, 41954, 43861, 76280, 83908, 87722, 104885, 167816, 175444, 209770, 219305, 350888, 419540, 438610, 482471, 839080, 877220, 964942, 1754440, 1929884, 2412355, 3859768, 4824710, 9649420, 19298840]

約数ペア:

[(1, 19298840), (2, 9649420), (4, 4824710), (5, 3859768), (8, 2412355), (10, 1929884), (11, 1754440), (20, 964942), (22, 877220), (23, 839080), (40, 482471), (44, 438610), (46, 419540), (55, 350888), (88, 219305), (92, 209770), (110, 175444), (115, 167816), (184, 104885), (220, 87722), (230, 83908), (253, 76280), (440, 43861), (460, 41954), (506, 38140), (920, 20977), (1012, 19070), (1265, 15256), (1907, 10120), (2024, 9535), (2530, 7628), (3814, 5060)]