18345810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 50688000

約数和(自身を除く): 32342190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 199, 210, 398, 439, 597, 878, 995, 1194, 1317, 1393, 1990, 2195, 2634, 2786, 2985, 3073, 4179, 4390, 5970, 6146, 6585, 6965, 8358, 9219, 13170, 13930, 15365, 18438, 20895, 30730, 41790, 46095, 87361, 92190, 174722, 262083, 436805, 524166, 611527, 873610, 1223054, 1310415, 1834581, 2620830, 3057635, 3669162, 6115270, 9172905, 18345810]

約数ペア:

[(1, 18345810), (2, 9172905), (3, 6115270), (5, 3669162), (6, 3057635), (7, 2620830), (10, 1834581), (14, 1310415), (15, 1223054), (21, 873610), (30, 611527), (35, 524166), (42, 436805), (70, 262083), (105, 174722), (199, 92190), (210, 87361), (398, 46095), (439, 41790), (597, 30730), (878, 20895), (995, 18438), (1194, 15365), (1317, 13930), (1393, 13170), (1990, 9219), (2195, 8358), (2634, 6965), (2786, 6585), (2985, 6146), (3073, 5970), (4179, 4390)]