19257944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 40473600

約数和(自身を除く): 21215656

約数列:

[1, 2, 4, 8, 19, 31, 38, 61, 62, 67, 76, 122, 124, 134, 152, 244, 248, 268, 488, 536, 589, 1159, 1178, 1273, 1891, 2077, 2318, 2356, 2546, 3782, 4087, 4154, 4636, 4712, 5092, 7564, 8174, 8308, 9272, 10184, 15128, 16348, 16616, 32696, 35929, 39463, 71858, 77653, 78926, 126697, 143716, 155306, 157852, 253394, 287432, 310612, 315704, 506788, 621224, 1013576, 2407243, 4814486, 9628972, 19257944]

約数ペア:

[(1, 19257944), (2, 9628972), (4, 4814486), (8, 2407243), (19, 1013576), (31, 621224), (38, 506788), (61, 315704), (62, 310612), (67, 287432), (76, 253394), (122, 157852), (124, 155306), (134, 143716), (152, 126697), (244, 78926), (248, 77653), (268, 71858), (488, 39463), (536, 35929), (589, 32696), (1159, 16616), (1178, 16348), (1273, 15128), (1891, 10184), (2077, 9272), (2318, 8308), (2356, 8174), (2546, 7564), (3782, 5092), (4087, 4712), (4154, 4636)]