18751770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 50400000

約数和(自身を除く): 31648230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 199, 270, 349, 398, 597, 698, 995, 1047, 1194, 1745, 1791, 1990, 2094, 2985, 3141, 3490, 3582, 5235, 5373, 5970, 6282, 8955, 9423, 10470, 10746, 15705, 17910, 18846, 26865, 31410, 47115, 53730, 69451, 94230, 138902, 208353, 347255, 416706, 625059, 694510, 1041765, 1250118, 1875177, 2083530, 3125295, 3750354, 6250590, 9375885, 18751770]

約数ペア:

[(1, 18751770), (2, 9375885), (3, 6250590), (5, 3750354), (6, 3125295), (9, 2083530), (10, 1875177), (15, 1250118), (18, 1041765), (27, 694510), (30, 625059), (45, 416706), (54, 347255), (90, 208353), (135, 138902), (199, 94230), (270, 69451), (349, 53730), (398, 47115), (597, 31410), (698, 26865), (995, 18846), (1047, 17910), (1194, 15705), (1745, 10746), (1791, 10470), (1990, 9423), (2094, 8955), (2985, 6282), (3141, 5970), (3490, 5373), (3582, 5235)]