18590421

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 27141120

約数和(自身を除く): 8550699

約数列:

[1, 3, 29, 31, 61, 87, 93, 113, 183, 339, 899, 1769, 1891, 2697, 3277, 3503, 5307, 5673, 6893, 9831, 10509, 20679, 54839, 101587, 164517, 199897, 213683, 304761, 599691, 641049, 6196807, 18590421]

約数ペア:

[(1, 18590421), (3, 6196807), (29, 641049), (31, 599691), (61, 304761), (87, 213683), (93, 199897), (113, 164517), (183, 101587), (339, 54839), (899, 20679), (1769, 10509), (1891, 9831), (2697, 6893), (3277, 5673), (3503, 5307)]