19491452

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 37997568

約数和(自身を除く): 18506116

約数列:

[1, 2, 4, 17, 34, 37, 61, 68, 74, 122, 127, 148, 244, 254, 508, 629, 1037, 1258, 2074, 2159, 2257, 2516, 4148, 4318, 4514, 4699, 7747, 8636, 9028, 9398, 15494, 18796, 30988, 38369, 76738, 79883, 131699, 153476, 159766, 263398, 286639, 319532, 526796, 573278, 1146556, 4872863, 9745726, 19491452]

約数ペア:

[(1, 19491452), (2, 9745726), (4, 4872863), (17, 1146556), (34, 573278), (37, 526796), (61, 319532), (68, 286639), (74, 263398), (122, 159766), (127, 153476), (148, 131699), (244, 79883), (254, 76738), (508, 38369), (629, 30988), (1037, 18796), (1258, 15494), (2074, 9398), (2159, 9028), (2257, 8636), (2516, 7747), (4148, 4699), (4318, 4514)]