19892772

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 53580800

約数和(自身を除く): 33688028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 127, 171, 228, 229, 254, 342, 381, 458, 508, 684, 687, 762, 916, 1143, 1374, 1524, 2061, 2286, 2413, 2748, 4122, 4351, 4572, 4826, 7239, 8244, 8702, 9652, 13053, 14478, 17404, 21717, 26106, 28956, 29083, 39159, 43434, 52212, 58166, 78318, 86868, 87249, 116332, 156636, 174498, 261747, 348996, 523494, 552577, 1046988, 1105154, 1657731, 2210308, 3315462, 4973193, 6630924, 9946386, 19892772]

約数ペア:

[(1, 19892772), (2, 9946386), (3, 6630924), (4, 4973193), (6, 3315462), (9, 2210308), (12, 1657731), (18, 1105154), (19, 1046988), (36, 552577), (38, 523494), (57, 348996), (76, 261747), (114, 174498), (127, 156636), (171, 116332), (228, 87249), (229, 86868), (254, 78318), (342, 58166), (381, 52212), (458, 43434), (508, 39159), (684, 29083), (687, 28956), (762, 26106), (916, 21717), (1143, 17404), (1374, 14478), (1524, 13053), (2061, 9652), (2286, 8702), (2413, 8244), (2748, 7239), (4122, 4826), (4351, 4572)]