18739552230

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9915107}}^1$

素因数の和:9915130

約数の個数: 64

約数和(自身を含む): 57111022080

約数和(自身を除く): 38371469850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9915107, 19830214, 29745321, 49575535, 59490642, 69405749, 89235963, 99151070, 138811498, 148726605, 178471926, 208217247, 267707889, 297453210, 347028745, 416434494, 446179815, 535415778, 624651741, 694057490, 892359630, 1041086235, 1249303482, 1338539445, 1873955223, 2082172470, 2677078890, 3123258705, 3747910446, 6246517410, 9369776115, 18739552230]

約数ペア:

[(1, 18739552230), (2, 9369776115), (3, 6246517410), (5, 3747910446), (6, 3123258705), (7, 2677078890), (9, 2082172470), (10, 1873955223), (14, 1338539445), (15, 1249303482), (18, 1041086235), (21, 892359630), (27, 694057490), (30, 624651741), (35, 535415778), (42, 446179815), (45, 416434494), (54, 347028745), (63, 297453210), (70, 267707889), (90, 208217247), (105, 178471926), (126, 148726605), (135, 138811498), (189, 99151070), (210, 89235963), (270, 69405749), (315, 59490642), (378, 49575535), (630, 29745321), (945, 19830214), (1890, 9915107)]