19651892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 38986752

約数和(自身を除く): 19334860

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 73, 124, 146, 167, 292, 334, 403, 668, 806, 949, 1612, 1898, 2171, 2263, 3796, 4342, 4526, 5177, 8684, 9052, 10354, 12191, 20708, 24382, 29419, 48764, 58838, 67301, 117676, 134602, 158483, 269204, 316966, 377921, 633932, 755842, 1511684, 4912973, 9825946, 19651892]

約数ペア:

[(1, 19651892), (2, 9825946), (4, 4912973), (13, 1511684), (26, 755842), (31, 633932), (52, 377921), (62, 316966), (73, 269204), (124, 158483), (146, 134602), (167, 117676), (292, 67301), (334, 58838), (403, 48764), (668, 29419), (806, 24382), (949, 20708), (1612, 12191), (1898, 10354), (2171, 9052), (2263, 8684), (3796, 5177), (4342, 4526)]