19500550

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 39140352

約数和(自身を除く): 19639802

約数列:

[1, 2, 5, 10, 23, 25, 31, 46, 50, 62, 115, 155, 230, 310, 547, 575, 713, 775, 1094, 1150, 1426, 1550, 2735, 3565, 5470, 7130, 12581, 13675, 16957, 17825, 25162, 27350, 33914, 35650, 62905, 84785, 125810, 169570, 314525, 390011, 423925, 629050, 780022, 847850, 1950055, 3900110, 9750275, 19500550]

約数ペア:

[(1, 19500550), (2, 9750275), (5, 3900110), (10, 1950055), (23, 847850), (25, 780022), (31, 629050), (46, 423925), (50, 390011), (62, 314525), (115, 169570), (155, 125810), (230, 84785), (310, 62905), (547, 35650), (575, 33914), (713, 27350), (775, 25162), (1094, 17825), (1150, 16957), (1426, 13675), (1550, 12581), (2735, 7130), (3565, 5470)]