18011490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 31754910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 199, 210, 398, 431, 597, 862, 995, 1194, 1293, 1393, 1990, 2155, 2586, 2786, 2985, 3017, 4179, 4310, 5970, 6034, 6465, 6965, 8358, 9051, 12930, 13930, 15085, 18102, 20895, 30170, 41790, 45255, 85769, 90510, 171538, 257307, 428845, 514614, 600383, 857690, 1200766, 1286535, 1801149, 2573070, 3001915, 3602298, 6003830, 9005745, 18011490]

約数ペア:

[(1, 18011490), (2, 9005745), (3, 6003830), (5, 3602298), (6, 3001915), (7, 2573070), (10, 1801149), (14, 1286535), (15, 1200766), (21, 857690), (30, 600383), (35, 514614), (42, 428845), (70, 257307), (105, 171538), (199, 90510), (210, 85769), (398, 45255), (431, 41790), (597, 30170), (862, 20895), (995, 18102), (1194, 15085), (1293, 13930), (1393, 12930), (1990, 9051), (2155, 8358), (2586, 6965), (2786, 6465), (2985, 6034), (3017, 5970), (4179, 4310)]