19888722

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5443}}^1$

素因数の和:5487

約数の個数: 48

約数和(自身を含む): 50955840

約数和(自身を除く): 31067118

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5443, 10886, 16329, 32658, 38101, 48987, 76202, 97974, 114303, 157847, 228606, 315694, 342909, 473541, 685818, 947082, 1104929, 1420623, 2209858, 2841246, 3314787, 6629574, 9944361, 19888722]

約数ペア:

[(1, 19888722), (2, 9944361), (3, 6629574), (6, 3314787), (7, 2841246), (9, 2209858), (14, 1420623), (18, 1104929), (21, 947082), (29, 685818), (42, 473541), (58, 342909), (63, 315694), (87, 228606), (126, 157847), (174, 114303), (203, 97974), (261, 76202), (406, 48987), (522, 38101), (609, 32658), (1218, 16329), (1827, 10886), (3654, 5443)]