18374139

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 32011200

約数和(自身を除く): 13637061

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 89, 113, 203, 261, 267, 339, 609, 623, 791, 801, 1017, 1827, 1869, 2373, 2581, 3277, 5607, 7119, 7743, 9831, 10057, 18067, 22939, 23229, 29493, 30171, 54201, 68817, 70399, 90513, 162603, 206451, 211197, 291653, 633591, 874959, 2041571, 2624877, 6124713, 18374139]

約数ペア:

[(1, 18374139), (3, 6124713), (7, 2624877), (9, 2041571), (21, 874959), (29, 633591), (63, 291653), (87, 211197), (89, 206451), (113, 162603), (203, 90513), (261, 70399), (267, 68817), (339, 54201), (609, 30171), (623, 29493), (791, 23229), (801, 22939), (1017, 18067), (1827, 10057), (1869, 9831), (2373, 7743), (2581, 7119), (3277, 5607)]