19483300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 45372096

約数和(自身を除く): 25888796

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 172, 197, 215, 230, 394, 430, 460, 575, 788, 860, 985, 989, 1075, 1150, 1970, 1978, 2150, 2300, 3940, 3956, 4300, 4531, 4925, 4945, 8471, 9062, 9850, 9890, 16942, 18124, 19700, 19780, 22655, 24725, 33884, 42355, 45310, 49450, 84710, 90620, 98900, 113275, 169420, 194833, 211775, 226550, 389666, 423550, 453100, 779332, 847100, 974165, 1948330, 3896660, 4870825, 9741650, 19483300]

約数ペア:

[(1, 19483300), (2, 9741650), (4, 4870825), (5, 3896660), (10, 1948330), (20, 974165), (23, 847100), (25, 779332), (43, 453100), (46, 423550), (50, 389666), (86, 226550), (92, 211775), (100, 194833), (115, 169420), (172, 113275), (197, 98900), (215, 90620), (230, 84710), (394, 49450), (430, 45310), (460, 42355), (575, 33884), (788, 24725), (860, 22655), (985, 19780), (989, 19700), (1075, 18124), (1150, 16942), (1970, 9890), (1978, 9850), (2150, 9062), (2300, 8471), (3940, 4945), (3956, 4925), (4300, 4531)]