19169408

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{4831}}^1$

素因数の和:4876

約数の個数: 32

約数和(自身を含む): 39429120

約数和(自身を除く): 20259712

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 4831, 9662, 19324, 38648, 77296, 149761, 154592, 299522, 309184, 599044, 618368, 1198088, 2396176, 4792352, 9584704, 19169408]

約数ペア:

[(1, 19169408), (2, 9584704), (4, 4792352), (8, 2396176), (16, 1198088), (31, 618368), (32, 599044), (62, 309184), (64, 299522), (124, 154592), (128, 149761), (248, 77296), (496, 38648), (992, 19324), (1984, 9662), (3968, 4831)]