18429390

素因数分解:

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

素因数の和:236

約数の個数: 128

約数和(自身を含む): 57600000

約数和(自身を除く): 39170610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 199, 210, 245, 270, 294, 315, 343, 378, 398, 441, 490, 597, 630, 686, 735, 882, 945, 995, 1029, 1194, 1323, 1393, 1470, 1715, 1791, 1890, 1990, 2058, 2205, 2646, 2786, 2985, 3087, 3430, 3582, 4179, 4410, 5145, 5373, 5970, 6174, 6615, 6965, 8358, 8955, 9261, 9751, 10290, 10746, 12537, 13230, 13930, 15435, 17910, 18522, 19502, 20895, 25074, 26865, 29253, 30870, 37611, 41790, 46305, 48755, 53730, 58506, 62685, 68257, 75222, 87759, 92610, 97510, 125370, 136514, 146265, 175518, 188055, 204771, 263277, 292530, 341285, 376110, 409542, 438795, 526554, 614313, 682570, 877590, 1023855, 1228626, 1316385, 1842939, 2047710, 2632770, 3071565, 3685878, 6143130, 9214695, 18429390]

約数ペア:

[(1, 18429390), (2, 9214695), (3, 6143130), (5, 3685878), (6, 3071565), (7, 2632770), (9, 2047710), (10, 1842939), (14, 1316385), (15, 1228626), (18, 1023855), (21, 877590), (27, 682570), (30, 614313), (35, 526554), (42, 438795), (45, 409542), (49, 376110), (54, 341285), (63, 292530), (70, 263277), (90, 204771), (98, 188055), (105, 175518), (126, 146265), (135, 136514), (147, 125370), (189, 97510), (199, 92610), (210, 87759), (245, 75222), (270, 68257), (294, 62685), (315, 58506), (343, 53730), (378, 48755), (398, 46305), (441, 41790), (490, 37611), (597, 30870), (630, 29253), (686, 26865), (735, 25074), (882, 20895), (945, 19502), (995, 18522), (1029, 17910), (1194, 15435), (1323, 13930), (1393, 13230), (1470, 12537), (1715, 10746), (1791, 10290), (1890, 9751), (1990, 9261), (2058, 8955), (2205, 8358), (2646, 6965), (2786, 6615), (2985, 6174), (3087, 5970), (3430, 5373), (3582, 5145), (4179, 4410)]