19814796

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:579

約数の個数: 72

約数和(自身を含む): 53726400

約数和(自身を除く): 33911604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 59, 76, 114, 118, 171, 177, 228, 236, 342, 354, 491, 531, 684, 708, 982, 1062, 1121, 1473, 1964, 2124, 2242, 2946, 3363, 4419, 4484, 5892, 6726, 8838, 9329, 10089, 13452, 17676, 18658, 20178, 27987, 28969, 37316, 40356, 55974, 57938, 83961, 86907, 111948, 115876, 167922, 173814, 260721, 335844, 347628, 521442, 550411, 1042884, 1100822, 1651233, 2201644, 3302466, 4953699, 6604932, 9907398, 19814796]

約数ペア:

[(1, 19814796), (2, 9907398), (3, 6604932), (4, 4953699), (6, 3302466), (9, 2201644), (12, 1651233), (18, 1100822), (19, 1042884), (36, 550411), (38, 521442), (57, 347628), (59, 335844), (76, 260721), (114, 173814), (118, 167922), (171, 115876), (177, 111948), (228, 86907), (236, 83961), (342, 57938), (354, 55974), (491, 40356), (531, 37316), (684, 28969), (708, 27987), (982, 20178), (1062, 18658), (1121, 17676), (1473, 13452), (1964, 10089), (2124, 9329), (2242, 8838), (2946, 6726), (3363, 5892), (4419, 4484)]