19247918

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 31781376

約数和(自身を除く): 12533458

約数列:

[1, 2, 23, 37, 43, 46, 74, 86, 263, 526, 851, 989, 1591, 1702, 1978, 3182, 6049, 9731, 11309, 12098, 19462, 22618, 36593, 73186, 223813, 260107, 418433, 447626, 520214, 836866, 9623959, 19247918]

約数ペア:

[(1, 19247918), (2, 9623959), (23, 836866), (37, 520214), (43, 447626), (46, 418433), (74, 260107), (86, 223813), (263, 73186), (526, 36593), (851, 22618), (989, 19462), (1591, 12098), (1702, 11309), (1978, 9731), (3182, 6049)]